Home / 1,373.11-2,058.58-723.49

Finding the Fourth Proportional to 1,373.11, 2,058.58 and 723.49

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Solution

The fourth proportional to 1,373.11, 2,058.58 and 723.49 is: 1,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.11 : 2,058.58 = 723.49 : x
  2. Step 2: Convert to fraction form
    1,373.11/2,058.58 = 723.49/x
  3. Step 3: Cross multiply
    1,373.11x = 2,058.58 × 723.49
  4. Step 4: Simplify right side
    1,373.11x = 1,489,362.04
  5. Step 5: Solve for x
    x = 1,489,362.04/1,373.11
  6. Step 6: Final answer
    x = 1,084.66

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1.5x scale

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.