Home / 3,387.65-4,672.91-2,237.85

Finding the Fourth Proportional to 3,387.65, 4,672.91 and 2,237.85

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Solution

The fourth proportional to 3,387.65, 4,672.91 and 2,237.85 is: 3,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.65 : 4,672.91 = 2,237.85 : x
  2. Step 2: Convert to fraction form
    3,387.65/4,672.91 = 2,237.85/x
  3. Step 3: Cross multiply
    3,387.65x = 4,672.91 × 2,237.85
  4. Step 4: Simplify right side
    3,387.65x = 10,457,271.64
  5. Step 5: Solve for x
    x = 10,457,271.64/3,387.65
  6. Step 6: Final answer
    x = 3,086.88

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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.