Home / 3,700.78-5,107.94-2,442.06

Finding the Fourth Proportional to 3,700.78, 5,107.94 and 2,442.06

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Solution

The fourth proportional to 3,700.78, 5,107.94 and 2,442.06 is: 3,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.78 : 5,107.94 = 2,442.06 : x
  2. Step 2: Convert to fraction form
    3,700.78/5,107.94 = 2,442.06/x
  3. Step 3: Cross multiply
    3,700.78x = 5,107.94 × 2,442.06
  4. Step 4: Simplify right side
    3,700.78x = 12,473,895.96
  5. Step 5: Solve for x
    x = 12,473,895.96/3,700.78
  6. Step 6: Final answer
    x = 3,370.61

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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.