Home / 1,532.10-2,114.32-868.92

Finding the Fourth Proportional to 1,532.10, 2,114.32 and 868.92

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Solution

The fourth proportional to 1,532.10, 2,114.32 and 868.92 is: 1,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.10 : 2,114.32 = 868.92 : x
  2. Step 2: Convert to fraction form
    1,532.10/2,114.32 = 868.92/x
  3. Step 3: Cross multiply
    1,532.10x = 2,114.32 × 868.92
  4. Step 4: Simplify right side
    1,532.10x = 1,837,174.93
  5. Step 5: Solve for x
    x = 1,837,174.93/1,532.10
  6. Step 6: Final answer
    x = 1,199.12

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Double scale
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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.