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Finding the Fourth Proportional to 2,854.65, 4,259.04 and 2,542.80

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Solution

The fourth proportional to 2,854.65, 4,259.04 and 2,542.80 is: 3,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.65 : 4,259.04 = 2,542.80 : x
  2. Step 2: Convert to fraction form
    2,854.65/4,259.04 = 2,542.80/x
  3. Step 3: Cross multiply
    2,854.65x = 4,259.04 × 2,542.80
  4. Step 4: Simplify right side
    2,854.65x = 10,829,886.91
  5. Step 5: Solve for x
    x = 10,829,886.91/2,854.65
  6. Step 6: Final answer
    x = 3,793.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.