Home / 3,665.72-5,053.94-2,337.12

Finding the Fourth Proportional to 3,665.72, 5,053.94 and 2,337.12

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Solution

The fourth proportional to 3,665.72, 5,053.94 and 2,337.12 is: 3,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.72 : 5,053.94 = 2,337.12 : x
  2. Step 2: Convert to fraction form
    3,665.72/5,053.94 = 2,337.12/x
  3. Step 3: Cross multiply
    3,665.72x = 5,053.94 × 2,337.12
  4. Step 4: Simplify right side
    3,665.72x = 11,811,639.93
  5. Step 5: Solve for x
    x = 11,811,639.93/3,665.72
  6. Step 6: Final answer
    x = 3,222.19

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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.