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Finding the Fourth Proportional to 2,666.88, 3,677.40 and 2,414.88

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Solution

The fourth proportional to 2,666.88, 3,677.40 and 2,414.88 is: 3,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.88 : 3,677.40 = 2,414.88 : x
  2. Step 2: Convert to fraction form
    2,666.88/3,677.40 = 2,414.88/x
  3. Step 3: Cross multiply
    2,666.88x = 3,677.40 × 2,414.88
  4. Step 4: Simplify right side
    2,666.88x = 8,880,479.71
  5. Step 5: Solve for x
    x = 8,880,479.71/2,666.88
  6. Step 6: Final answer
    x = 3,329.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.