Home / 4,246.72-5,860.24-2,478.20

Finding the Fourth Proportional to 4,246.72, 5,860.24 and 2,478.20

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Solution

The fourth proportional to 4,246.72, 5,860.24 and 2,478.20 is: 3,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.72 : 5,860.24 = 2,478.20 : x
  2. Step 2: Convert to fraction form
    4,246.72/5,860.24 = 2,478.20/x
  3. Step 3: Cross multiply
    4,246.72x = 5,860.24 × 2,478.20
  4. Step 4: Simplify right side
    4,246.72x = 14,522,846.77
  5. Step 5: Solve for x
    x = 14,522,846.77/4,246.72
  6. Step 6: Final answer
    x = 3,419.78

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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.