Home / 1,372.04-2,058.26-398.01

Finding the Fourth Proportional to 1,372.04, 2,058.26 and 398.01

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Solution

The fourth proportional to 1,372.04, 2,058.26 and 398.01 is: 597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.04 : 2,058.26 = 398.01 : x
  2. Step 2: Convert to fraction form
    1,372.04/2,058.26 = 398.01/x
  3. Step 3: Cross multiply
    1,372.04x = 2,058.26 × 398.01
  4. Step 4: Simplify right side
    1,372.04x = 819,215.28
  5. Step 5: Solve for x
    x = 819,215.28/1,372.04
  6. Step 6: Final answer
    x = 597.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.