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Finding the Fourth Proportional to 2,681.01, 4,041.23 and 2,569.86

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Solution

The fourth proportional to 2,681.01, 4,041.23 and 2,569.86 is: 3,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.01 : 4,041.23 = 2,569.86 : x
  2. Step 2: Convert to fraction form
    2,681.01/4,041.23 = 2,569.86/x
  3. Step 3: Cross multiply
    2,681.01x = 4,041.23 × 2,569.86
  4. Step 4: Simplify right side
    2,681.01x = 10,385,382.48
  5. Step 5: Solve for x
    x = 10,385,382.48/2,681.01
  6. Step 6: Final answer
    x = 3,873.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.