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Finding the Fourth Proportional to 1,626, 2,439.72 and 600.72

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Solution

The fourth proportional to 1,626, 2,439.72 and 600.72 is: 901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626 : 2,439.72 = 600.72 : x
  2. Step 2: Convert to fraction form
    1,626/2,439.72 = 600.72/x
  3. Step 3: Cross multiply
    1,626x = 2,439.72 × 600.72
  4. Step 4: Simplify right side
    1,626x = 1,465,588.60
  5. Step 5: Solve for x
    x = 1,465,588.60/1,626
  6. Step 6: Final answer
    x = 901.35

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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.