Home / 3,874.72-5,345.04-2,693.74

Finding the Fourth Proportional to 3,874.72, 5,345.04 and 2,693.74

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Solution

The fourth proportional to 3,874.72, 5,345.04 and 2,693.74 is: 3,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.72 : 5,345.04 = 2,693.74 : x
  2. Step 2: Convert to fraction form
    3,874.72/5,345.04 = 2,693.74/x
  3. Step 3: Cross multiply
    3,874.72x = 5,345.04 × 2,693.74
  4. Step 4: Simplify right side
    3,874.72x = 14,398,148.05
  5. Step 5: Solve for x
    x = 14,398,148.05/3,874.72
  6. Step 6: Final answer
    x = 3,715.92

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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.