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Finding the Fourth Proportional to 1,637.00, 2,258.93 and 928.85

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Solution

The fourth proportional to 1,637.00, 2,258.93 and 928.85 is: 1,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.00 : 2,258.93 = 928.85 : x
  2. Step 2: Convert to fraction form
    1,637.00/2,258.93 = 928.85/x
  3. Step 3: Cross multiply
    1,637.00x = 2,258.93 × 928.85
  4. Step 4: Simplify right side
    1,637.00x = 2,098,191.19
  5. Step 5: Solve for x
    x = 2,098,191.19/1,637.00
  6. Step 6: Final answer
    x = 1,281.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.