Home / 4,098.60-5,657.34-2,419.86

Finding the Fourth Proportional to 4,098.60, 5,657.34 and 2,419.86

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Solution

The fourth proportional to 4,098.60, 5,657.34 and 2,419.86 is: 3,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.60 : 5,657.34 = 2,419.86 : x
  2. Step 2: Convert to fraction form
    4,098.60/5,657.34 = 2,419.86/x
  3. Step 3: Cross multiply
    4,098.60x = 5,657.34 × 2,419.86
  4. Step 4: Simplify right side
    4,098.60x = 13,689,970.77
  5. Step 5: Solve for x
    x = 13,689,970.77/4,098.60
  6. Step 6: Final answer
    x = 3,340.16

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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.