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Finding the Fourth Proportional to 1,626.01, 2,440.85 and 652.79

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Solution

The fourth proportional to 1,626.01, 2,440.85 and 652.79 is: 979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.01 : 2,440.85 = 652.79 : x
  2. Step 2: Convert to fraction form
    1,626.01/2,440.85 = 652.79/x
  3. Step 3: Cross multiply
    1,626.01x = 2,440.85 × 652.79
  4. Step 4: Simplify right side
    1,626.01x = 1,593,365.31
  5. Step 5: Solve for x
    x = 1,593,365.31/1,626.01
  6. Step 6: Final answer
    x = 979.92

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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.