Home / 3,291.44-4,539.04-2,454.20

Finding the Fourth Proportional to 3,291.44, 4,539.04 and 2,454.20

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Solution

The fourth proportional to 3,291.44, 4,539.04 and 2,454.20 is: 3,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.44 : 4,539.04 = 2,454.20 : x
  2. Step 2: Convert to fraction form
    3,291.44/4,539.04 = 2,454.20/x
  3. Step 3: Cross multiply
    3,291.44x = 4,539.04 × 2,454.20
  4. Step 4: Simplify right side
    3,291.44x = 11,139,711.97
  5. Step 5: Solve for x
    x = 11,139,711.97/3,291.44
  6. Step 6: Final answer
    x = 3,384.45

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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.