Home / 1,372.66-2,058.57-1,153.35

Finding the Fourth Proportional to 1,372.66, 2,058.57 and 1,153.35

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Solution

The fourth proportional to 1,372.66, 2,058.57 and 1,153.35 is: 1,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.66 : 2,058.57 = 1,153.35 : x
  2. Step 2: Convert to fraction form
    1,372.66/2,058.57 = 1,153.35/x
  3. Step 3: Cross multiply
    1,372.66x = 2,058.57 × 1,153.35
  4. Step 4: Simplify right side
    1,372.66x = 2,374,251.71
  5. Step 5: Solve for x
    x = 2,374,251.71/1,372.66
  6. Step 6: Final answer
    x = 1,729.68

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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.