Home / 3,977.33-5,487.49-2,298.13

Finding the Fourth Proportional to 3,977.33, 5,487.49 and 2,298.13

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Solution

The fourth proportional to 3,977.33, 5,487.49 and 2,298.13 is: 3,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.33 : 5,487.49 = 2,298.13 : x
  2. Step 2: Convert to fraction form
    3,977.33/5,487.49 = 2,298.13/x
  3. Step 3: Cross multiply
    3,977.33x = 5,487.49 × 2,298.13
  4. Step 4: Simplify right side
    3,977.33x = 12,610,944.67
  5. Step 5: Solve for x
    x = 12,610,944.67/3,977.33
  6. Step 6: Final answer
    x = 3,170.70

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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.