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Finding the Fourth Proportional to 2,649.98, 3,955.53 and 2,454.50

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Solution

The fourth proportional to 2,649.98, 3,955.53 and 2,454.50 is: 3,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.98 : 3,955.53 = 2,454.50 : x
  2. Step 2: Convert to fraction form
    2,649.98/3,955.53 = 2,454.50/x
  3. Step 3: Cross multiply
    2,649.98x = 3,955.53 × 2,454.50
  4. Step 4: Simplify right side
    2,649.98x = 9,708,836.11
  5. Step 5: Solve for x
    x = 9,708,836.11/2,649.98
  6. Step 6: Final answer
    x = 3,663.74

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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.