Home / 1,516.10-2,265.52-1,138.39

Finding the Fourth Proportional to 1,516.10, 2,265.52 and 1,138.39

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Solution

The fourth proportional to 1,516.10, 2,265.52 and 1,138.39 is: 1,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.10 : 2,265.52 = 1,138.39 : x
  2. Step 2: Convert to fraction form
    1,516.10/2,265.52 = 1,138.39/x
  3. Step 3: Cross multiply
    1,516.10x = 2,265.52 × 1,138.39
  4. Step 4: Simplify right side
    1,516.10x = 2,579,039.62
  5. Step 5: Solve for x
    x = 2,579,039.62/1,516.10
  6. Step 6: Final answer
    x = 1,701.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.