Home / 3,731.72-5,148.83-2,403.81

Finding the Fourth Proportional to 3,731.72, 5,148.83 and 2,403.81

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Solution

The fourth proportional to 3,731.72, 5,148.83 and 2,403.81 is: 3,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.72 : 5,148.83 = 2,403.81 : x
  2. Step 2: Convert to fraction form
    3,731.72/5,148.83 = 2,403.81/x
  3. Step 3: Cross multiply
    3,731.72x = 5,148.83 × 2,403.81
  4. Step 4: Simplify right side
    3,731.72x = 12,376,797.02
  5. Step 5: Solve for x
    x = 12,376,797.02/3,731.72
  6. Step 6: Final answer
    x = 3,316.65

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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.