Home / 4,098.92-5,655.96-2,420.40

Finding the Fourth Proportional to 4,098.92, 5,655.96 and 2,420.40

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Solution

The fourth proportional to 4,098.92, 5,655.96 and 2,420.40 is: 3,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.92 : 5,655.96 = 2,420.40 : x
  2. Step 2: Convert to fraction form
    4,098.92/5,655.96 = 2,420.40/x
  3. Step 3: Cross multiply
    4,098.92x = 5,655.96 × 2,420.40
  4. Step 4: Simplify right side
    4,098.92x = 13,689,685.58
  5. Step 5: Solve for x
    x = 13,689,685.58/4,098.92
  6. Step 6: Final answer
    x = 3,339.83

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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.