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Finding the Fourth Proportional to 1,594.46, 2,392.02 and 669.48

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Solution

The fourth proportional to 1,594.46, 2,392.02 and 669.48 is: 1,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.46 : 2,392.02 = 669.48 : x
  2. Step 2: Convert to fraction form
    1,594.46/2,392.02 = 669.48/x
  3. Step 3: Cross multiply
    1,594.46x = 2,392.02 × 669.48
  4. Step 4: Simplify right side
    1,594.46x = 1,601,397.59
  5. Step 5: Solve for x
    x = 1,601,397.59/1,594.46
  6. Step 6: Final answer
    x = 1,004.35

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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.