Home / 2,557.38-3,813.68-2,534.02

Finding the Fourth Proportional to 2,557.38, 3,813.68 and 2,534.02

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Solution

The fourth proportional to 2,557.38, 3,813.68 and 2,534.02 is: 3,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.38 : 3,813.68 = 2,534.02 : x
  2. Step 2: Convert to fraction form
    2,557.38/3,813.68 = 2,534.02/x
  3. Step 3: Cross multiply
    2,557.38x = 3,813.68 × 2,534.02
  4. Step 4: Simplify right side
    2,557.38x = 9,663,941.39
  5. Step 5: Solve for x
    x = 9,663,941.39/2,557.38
  6. Step 6: Final answer
    x = 3,778.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.