Home / 4,170.50-5,754.37-2,491.65

Finding the Fourth Proportional to 4,170.50, 5,754.37 and 2,491.65

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Solution

The fourth proportional to 4,170.50, 5,754.37 and 2,491.65 is: 3,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.50 : 5,754.37 = 2,491.65 : x
  2. Step 2: Convert to fraction form
    4,170.50/5,754.37 = 2,491.65/x
  3. Step 3: Cross multiply
    4,170.50x = 5,754.37 × 2,491.65
  4. Step 4: Simplify right side
    4,170.50x = 14,337,863.55
  5. Step 5: Solve for x
    x = 14,337,863.55/4,170.50
  6. Step 6: Final answer
    x = 3,437.92

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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.