Home / 3,098.80-4,649.28-1,456.30

Finding the Fourth Proportional to 3,098.80, 4,649.28 and 1,456.30

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Solution

The fourth proportional to 3,098.80, 4,649.28 and 1,456.30 is: 2,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.80 : 4,649.28 = 1,456.30 : x
  2. Step 2: Convert to fraction form
    3,098.80/4,649.28 = 1,456.30/x
  3. Step 3: Cross multiply
    3,098.80x = 4,649.28 × 1,456.30
  4. Step 4: Simplify right side
    3,098.80x = 6,770,746.46
  5. Step 5: Solve for x
    x = 6,770,746.46/3,098.80
  6. Step 6: Final answer
    x = 2,184.96

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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.