Home / 1,502.10-2,253.15-528.18

Finding the Fourth Proportional to 1,502.10, 2,253.15 and 528.18

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Solution

The fourth proportional to 1,502.10, 2,253.15 and 528.18 is: 792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.10 : 2,253.15 = 528.18 : x
  2. Step 2: Convert to fraction form
    1,502.10/2,253.15 = 528.18/x
  3. Step 3: Cross multiply
    1,502.10x = 2,253.15 × 528.18
  4. Step 4: Simplify right side
    1,502.10x = 1,190,068.77
  5. Step 5: Solve for x
    x = 1,190,068.77/1,502.10
  6. Step 6: Final answer
    x = 792.27

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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.