Home / 2,609.76-3,916.14-1,516.20

Finding the Fourth Proportional to 2,609.76, 3,916.14 and 1,516.20

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Solution

The fourth proportional to 2,609.76, 3,916.14 and 1,516.20 is: 2,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.76 : 3,916.14 = 1,516.20 : x
  2. Step 2: Convert to fraction form
    2,609.76/3,916.14 = 1,516.20/x
  3. Step 3: Cross multiply
    2,609.76x = 3,916.14 × 1,516.20
  4. Step 4: Simplify right side
    2,609.76x = 5,937,651.47
  5. Step 5: Solve for x
    x = 5,937,651.47/2,609.76
  6. Step 6: Final answer
    x = 2,275.17

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1.5x scale

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.