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Finding the Fourth Proportional to 3,298.80, 4,552.80 and 1,901.52

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Solution

The fourth proportional to 3,298.80, 4,552.80 and 1,901.52 is: 2,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.80 : 4,552.80 = 1,901.52 : x
  2. Step 2: Convert to fraction form
    3,298.80/4,552.80 = 1,901.52/x
  3. Step 3: Cross multiply
    3,298.80x = 4,552.80 × 1,901.52
  4. Step 4: Simplify right side
    3,298.80x = 8,657,240.26
  5. Step 5: Solve for x
    x = 8,657,240.26/3,298.80
  6. Step 6: Final answer
    x = 2,624.36

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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.