Home / 4,099.27-5,657.72-2,420.57

Finding the Fourth Proportional to 4,099.27, 5,657.72 and 2,420.57

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Solution

The fourth proportional to 4,099.27, 5,657.72 and 2,420.57 is: 3,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.27 : 5,657.72 = 2,420.57 : x
  2. Step 2: Convert to fraction form
    4,099.27/5,657.72 = 2,420.57/x
  3. Step 3: Cross multiply
    4,099.27x = 5,657.72 × 2,420.57
  4. Step 4: Simplify right side
    4,099.27x = 13,694,866.91
  5. Step 5: Solve for x
    x = 13,694,866.91/4,099.27
  6. Step 6: Final answer
    x = 3,340.81

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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.