Home / 3,250.48-4,878.45-1,402.97

Finding the Fourth Proportional to 3,250.48, 4,878.45 and 1,402.97

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Solution

The fourth proportional to 3,250.48, 4,878.45 and 1,402.97 is: 2,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.48 : 4,878.45 = 1,402.97 : x
  2. Step 2: Convert to fraction form
    3,250.48/4,878.45 = 1,402.97/x
  3. Step 3: Cross multiply
    3,250.48x = 4,878.45 × 1,402.97
  4. Step 4: Simplify right side
    3,250.48x = 6,844,331.19
  5. Step 5: Solve for x
    x = 6,844,331.19/3,250.48
  6. Step 6: Final answer
    x = 2,105.64

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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.