Home / 2,931.74-4,398.69-1,372.25

Finding the Fourth Proportional to 2,931.74, 4,398.69 and 1,372.25

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Solution

The fourth proportional to 2,931.74, 4,398.69 and 1,372.25 is: 2,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.74 : 4,398.69 = 1,372.25 : x
  2. Step 2: Convert to fraction form
    2,931.74/4,398.69 = 1,372.25/x
  3. Step 3: Cross multiply
    2,931.74x = 4,398.69 × 1,372.25
  4. Step 4: Simplify right side
    2,931.74x = 6,036,102.35
  5. Step 5: Solve for x
    x = 6,036,102.35/2,931.74
  6. Step 6: Final answer
    x = 2,058.88

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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.