Home / 2,931.13-4,398.14-1,371.24

Finding the Fourth Proportional to 2,931.13, 4,398.14 and 1,371.24

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Solution

The fourth proportional to 2,931.13, 4,398.14 and 1,371.24 is: 2,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.13 : 4,398.14 = 1,371.24 : x
  2. Step 2: Convert to fraction form
    2,931.13/4,398.14 = 1,371.24/x
  3. Step 3: Cross multiply
    2,931.13x = 4,398.14 × 1,371.24
  4. Step 4: Simplify right side
    2,931.13x = 6,030,905.49
  5. Step 5: Solve for x
    x = 6,030,905.49/2,931.13
  6. Step 6: Final answer
    x = 2,057.54

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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.