Home / 1,513.14-2,268.27-1,377.87

Finding the Fourth Proportional to 1,513.14, 2,268.27 and 1,377.87

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Solution

The fourth proportional to 1,513.14, 2,268.27 and 1,377.87 is: 2,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.14 : 2,268.27 = 1,377.87 : x
  2. Step 2: Convert to fraction form
    1,513.14/2,268.27 = 1,377.87/x
  3. Step 3: Cross multiply
    1,513.14x = 2,268.27 × 1,377.87
  4. Step 4: Simplify right side
    1,513.14x = 3,125,381.18
  5. Step 5: Solve for x
    x = 3,125,381.18/1,513.14
  6. Step 6: Final answer
    x = 2,065.49

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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.