Home / 1,525.05-2,089.10-1,520.73

Finding the Fourth Proportional to 1,525.05, 2,089.10 and 1,520.73

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Solution

The fourth proportional to 1,525.05, 2,089.10 and 1,520.73 is: 2,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.05 : 2,089.10 = 1,520.73 : x
  2. Step 2: Convert to fraction form
    1,525.05/2,089.10 = 1,520.73/x
  3. Step 3: Cross multiply
    1,525.05x = 2,089.10 × 1,520.73
  4. Step 4: Simplify right side
    1,525.05x = 3,176,960.84
  5. Step 5: Solve for x
    x = 3,176,960.84/1,525.05
  6. Step 6: Final answer
    x = 2,083.18

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.