Home / 1,742.59-2,616.20-1,012.69

Finding the Fourth Proportional to 1,742.59, 2,616.20 and 1,012.69

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Solution

The fourth proportional to 1,742.59, 2,616.20 and 1,012.69 is: 1,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.59 : 2,616.20 = 1,012.69 : x
  2. Step 2: Convert to fraction form
    1,742.59/2,616.20 = 1,012.69/x
  3. Step 3: Cross multiply
    1,742.59x = 2,616.20 × 1,012.69
  4. Step 4: Simplify right side
    1,742.59x = 2,649,399.58
  5. Step 5: Solve for x
    x = 2,649,399.58/1,742.59
  6. Step 6: Final answer
    x = 1,520.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.