Home / 4,187.90-6,276.45-2,542.70

Finding the Fourth Proportional to 4,187.90, 6,276.45 and 2,542.70

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Solution

The fourth proportional to 4,187.90, 6,276.45 and 2,542.70 is: 3,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.90 : 6,276.45 = 2,542.70 : x
  2. Step 2: Convert to fraction form
    4,187.90/6,276.45 = 2,542.70/x
  3. Step 3: Cross multiply
    4,187.90x = 6,276.45 × 2,542.70
  4. Step 4: Simplify right side
    4,187.90x = 15,959,129.42
  5. Step 5: Solve for x
    x = 15,959,129.42/4,187.90
  6. Step 6: Final answer
    x = 3,810.77

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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.