Home / 4,254.60-6,387.30-2,281.80

Finding the Fourth Proportional to 4,254.60, 6,387.30 and 2,281.80

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Solution

The fourth proportional to 4,254.60, 6,387.30 and 2,281.80 is: 3,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.60 : 6,387.30 = 2,281.80 : x
  2. Step 2: Convert to fraction form
    4,254.60/6,387.30 = 2,281.80/x
  3. Step 3: Cross multiply
    4,254.60x = 6,387.30 × 2,281.80
  4. Step 4: Simplify right side
    4,254.60x = 14,574,541.14
  5. Step 5: Solve for x
    x = 14,574,541.14/4,254.60
  6. Step 6: Final answer
    x = 3,425.60

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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.