Home / 1,371.13-2,056.92-591.36

Finding the Fourth Proportional to 1,371.13, 2,056.92 and 591.36

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Solution

The fourth proportional to 1,371.13, 2,056.92 and 591.36 is: 887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.13 : 2,056.92 = 591.36 : x
  2. Step 2: Convert to fraction form
    1,371.13/2,056.92 = 591.36/x
  3. Step 3: Cross multiply
    1,371.13x = 2,056.92 × 591.36
  4. Step 4: Simplify right side
    1,371.13x = 1,216,372.21
  5. Step 5: Solve for x
    x = 1,216,372.21/1,371.13
  6. Step 6: Final answer
    x = 887.13

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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.