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Finding the Fourth Proportional to 1,646.41, 2,470.03 and 1,160.41

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Solution

The fourth proportional to 1,646.41, 2,470.03 and 1,160.41 is: 1,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.41 : 2,470.03 = 1,160.41 : x
  2. Step 2: Convert to fraction form
    1,646.41/2,470.03 = 1,160.41/x
  3. Step 3: Cross multiply
    1,646.41x = 2,470.03 × 1,160.41
  4. Step 4: Simplify right side
    1,646.41x = 2,866,243.07
  5. Step 5: Solve for x
    x = 2,866,243.07/1,646.41
  6. Step 6: Final answer
    x = 1,740.91

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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.