Home / 1,166.13-1,748.18-435.71

Finding the Fourth Proportional to 1,166.13, 1,748.18 and 435.71

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Solution

The fourth proportional to 1,166.13, 1,748.18 and 435.71 is: 653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.13 : 1,748.18 = 435.71 : x
  2. Step 2: Convert to fraction form
    1,166.13/1,748.18 = 435.71/x
  3. Step 3: Cross multiply
    1,166.13x = 1,748.18 × 435.71
  4. Step 4: Simplify right side
    1,166.13x = 761,704.97
  5. Step 5: Solve for x
    x = 761,704.97/1,166.13
  6. Step 6: Final answer
    x = 653.19

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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.