Home / 1,373.22-2,058.21-723.06

Finding the Fourth Proportional to 1,373.22, 2,058.21 and 723.06

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Solution

The fourth proportional to 1,373.22, 2,058.21 and 723.06 is: 1,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.22 : 2,058.21 = 723.06 : x
  2. Step 2: Convert to fraction form
    1,373.22/2,058.21 = 723.06/x
  3. Step 3: Cross multiply
    1,373.22x = 2,058.21 × 723.06
  4. Step 4: Simplify right side
    1,373.22x = 1,488,209.32
  5. Step 5: Solve for x
    x = 1,488,209.32/1,373.22
  6. Step 6: Final answer
    x = 1,083.74

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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.