Home / 3,335.28-5,001.96-2,187.12

Finding the Fourth Proportional to 3,335.28, 5,001.96 and 2,187.12

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Solution

The fourth proportional to 3,335.28, 5,001.96 and 2,187.12 is: 3,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.28 : 5,001.96 = 2,187.12 : x
  2. Step 2: Convert to fraction form
    3,335.28/5,001.96 = 2,187.12/x
  3. Step 3: Cross multiply
    3,335.28x = 5,001.96 × 2,187.12
  4. Step 4: Simplify right side
    3,335.28x = 10,939,886.76
  5. Step 5: Solve for x
    x = 10,939,886.76/3,335.28
  6. Step 6: Final answer
    x = 3,280.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.