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Finding the Fourth Proportional to 1,583.08, 2,373.81 and 925.18

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Solution

The fourth proportional to 1,583.08, 2,373.81 and 925.18 is: 1,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.08 : 2,373.81 = 925.18 : x
  2. Step 2: Convert to fraction form
    1,583.08/2,373.81 = 925.18/x
  3. Step 3: Cross multiply
    1,583.08x = 2,373.81 × 925.18
  4. Step 4: Simplify right side
    1,583.08x = 2,196,201.54
  5. Step 5: Solve for x
    x = 2,196,201.54/1,583.08
  6. Step 6: Final answer
    x = 1,387.30

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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.