Home / 3,057.33-4,219.14-1,781.53

Finding the Fourth Proportional to 3,057.33, 4,219.14 and 1,781.53

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Solution

The fourth proportional to 3,057.33, 4,219.14 and 1,781.53 is: 2,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.33 : 4,219.14 = 1,781.53 : x
  2. Step 2: Convert to fraction form
    3,057.33/4,219.14 = 1,781.53/x
  3. Step 3: Cross multiply
    3,057.33x = 4,219.14 × 1,781.53
  4. Step 4: Simplify right side
    3,057.33x = 7,516,524.48
  5. Step 5: Solve for x
    x = 7,516,524.48/3,057.33
  6. Step 6: Final answer
    x = 2,458.53

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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.