Home / 1,516.40-2,275.16-736.35

Finding the Fourth Proportional to 1,516.40, 2,275.16 and 736.35

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Solution

The fourth proportional to 1,516.40, 2,275.16 and 736.35 is: 1,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.40 : 2,275.16 = 736.35 : x
  2. Step 2: Convert to fraction form
    1,516.40/2,275.16 = 736.35/x
  3. Step 3: Cross multiply
    1,516.40x = 2,275.16 × 736.35
  4. Step 4: Simplify right side
    1,516.40x = 1,675,310.38
  5. Step 5: Solve for x
    x = 1,675,310.38/1,516.40
  6. Step 6: Final answer
    x = 1,104.80

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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.