Home / 3,375.30-4,658.40-2,049.60

Finding the Fourth Proportional to 3,375.30, 4,658.40 and 2,049.60

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Solution

The fourth proportional to 3,375.30, 4,658.40 and 2,049.60 is: 2,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.30 : 4,658.40 = 2,049.60 : x
  2. Step 2: Convert to fraction form
    3,375.30/4,658.40 = 2,049.60/x
  3. Step 3: Cross multiply
    3,375.30x = 4,658.40 × 2,049.60
  4. Step 4: Simplify right side
    3,375.30x = 9,547,856.64
  5. Step 5: Solve for x
    x = 9,547,856.64/3,375.30
  6. Step 6: Final answer
    x = 2,828.74

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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.