Home / 3,254.50-4,854.32-2,728.40

Finding the Fourth Proportional to 3,254.50, 4,854.32 and 2,728.40

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Solution

The fourth proportional to 3,254.50, 4,854.32 and 2,728.40 is: 4,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.50 : 4,854.32 = 2,728.40 : x
  2. Step 2: Convert to fraction form
    3,254.50/4,854.32 = 2,728.40/x
  3. Step 3: Cross multiply
    3,254.50x = 4,854.32 × 2,728.40
  4. Step 4: Simplify right side
    3,254.50x = 13,244,526.69
  5. Step 5: Solve for x
    x = 13,244,526.69/3,254.50
  6. Step 6: Final answer
    x = 4,069.60

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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.