Home / 3,937.92-5,437.84-2,941.50

Finding the Fourth Proportional to 3,937.92, 5,437.84 and 2,941.50

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Solution

The fourth proportional to 3,937.92, 5,437.84 and 2,941.50 is: 4,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.92 : 5,437.84 = 2,941.50 : x
  2. Step 2: Convert to fraction form
    3,937.92/5,437.84 = 2,941.50/x
  3. Step 3: Cross multiply
    3,937.92x = 5,437.84 × 2,941.50
  4. Step 4: Simplify right side
    3,937.92x = 15,995,406.36
  5. Step 5: Solve for x
    x = 15,995,406.36/3,937.92
  6. Step 6: Final answer
    x = 4,061.89

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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.