Home / 1,525.69-2,103.51-1,259.20

Finding the Fourth Proportional to 1,525.69, 2,103.51 and 1,259.20

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Solution

The fourth proportional to 1,525.69, 2,103.51 and 1,259.20 is: 1,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.69 : 2,103.51 = 1,259.20 : x
  2. Step 2: Convert to fraction form
    1,525.69/2,103.51 = 1,259.20/x
  3. Step 3: Cross multiply
    1,525.69x = 2,103.51 × 1,259.20
  4. Step 4: Simplify right side
    1,525.69x = 2,648,739.79
  5. Step 5: Solve for x
    x = 2,648,739.79/1,525.69
  6. Step 6: Final answer
    x = 1,736.09

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,526.69, 2,104.89 and 1,260.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.