Home / 4,148.30-5,724.51-2,379.87

Finding the Fourth Proportional to 4,148.30, 5,724.51 and 2,379.87

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Solution

The fourth proportional to 4,148.30, 5,724.51 and 2,379.87 is: 3,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.30 : 5,724.51 = 2,379.87 : x
  2. Step 2: Convert to fraction form
    4,148.30/5,724.51 = 2,379.87/x
  3. Step 3: Cross multiply
    4,148.30x = 5,724.51 × 2,379.87
  4. Step 4: Simplify right side
    4,148.30x = 13,623,589.61
  5. Step 5: Solve for x
    x = 13,623,589.61/4,148.30
  6. Step 6: Final answer
    x = 3,284.14

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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.