Home / 2,874.27-3,962.48-2,430.39

Finding the Fourth Proportional to 2,874.27, 3,962.48 and 2,430.39

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Solution

The fourth proportional to 2,874.27, 3,962.48 and 2,430.39 is: 3,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.27 : 3,962.48 = 2,430.39 : x
  2. Step 2: Convert to fraction form
    2,874.27/3,962.48 = 2,430.39/x
  3. Step 3: Cross multiply
    2,874.27x = 3,962.48 × 2,430.39
  4. Step 4: Simplify right side
    2,874.27x = 9,630,359.62
  5. Step 5: Solve for x
    x = 9,630,359.62/2,874.27
  6. Step 6: Final answer
    x = 3,350.54

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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.