Home / 3,023.20-4,534.80-2,754.40

Finding the Fourth Proportional to 3,023.20, 4,534.80 and 2,754.40

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Solution

The fourth proportional to 3,023.20, 4,534.80 and 2,754.40 is: 4,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.20 : 4,534.80 = 2,754.40 : x
  2. Step 2: Convert to fraction form
    3,023.20/4,534.80 = 2,754.40/x
  3. Step 3: Cross multiply
    3,023.20x = 4,534.80 × 2,754.40
  4. Step 4: Simplify right side
    3,023.20x = 12,490,653.12
  5. Step 5: Solve for x
    x = 12,490,653.12/3,023.20
  6. Step 6: Final answer
    x = 4,131.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.