Home / 1,371.24-2,056.77-397.35

Finding the Fourth Proportional to 1,371.24, 2,056.77 and 397.35

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Solution

The fourth proportional to 1,371.24, 2,056.77 and 397.35 is: 596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.24 : 2,056.77 = 397.35 : x
  2. Step 2: Convert to fraction form
    1,371.24/2,056.77 = 397.35/x
  3. Step 3: Cross multiply
    1,371.24x = 2,056.77 × 397.35
  4. Step 4: Simplify right side
    1,371.24x = 817,257.56
  5. Step 5: Solve for x
    x = 817,257.56/1,371.24
  6. Step 6: Final answer
    x = 596.00

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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.