Home / 3,056.08-4,217.52-2,009.20

Finding the Fourth Proportional to 3,056.08, 4,217.52 and 2,009.20

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Solution

The fourth proportional to 3,056.08, 4,217.52 and 2,009.20 is: 2,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.08 : 4,217.52 = 2,009.20 : x
  2. Step 2: Convert to fraction form
    3,056.08/4,217.52 = 2,009.20/x
  3. Step 3: Cross multiply
    3,056.08x = 4,217.52 × 2,009.20
  4. Step 4: Simplify right side
    3,056.08x = 8,473,841.18
  5. Step 5: Solve for x
    x = 8,473,841.18/3,056.08
  6. Step 6: Final answer
    x = 2,772.78

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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.