Home / 3,317.12-4,585.92-2,487.68

Finding the Fourth Proportional to 3,317.12, 4,585.92 and 2,487.68

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Solution

The fourth proportional to 3,317.12, 4,585.92 and 2,487.68 is: 3,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.12 : 4,585.92 = 2,487.68 : x
  2. Step 2: Convert to fraction form
    3,317.12/4,585.92 = 2,487.68/x
  3. Step 3: Cross multiply
    3,317.12x = 4,585.92 × 2,487.68
  4. Step 4: Simplify right side
    3,317.12x = 11,408,301.47
  5. Step 5: Solve for x
    x = 11,408,301.47/3,317.12
  6. Step 6: Final answer
    x = 3,439.22

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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.