Home / 3,281.19-4,526.75-2,162.72

Finding the Fourth Proportional to 3,281.19, 4,526.75 and 2,162.72

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Solution

The fourth proportional to 3,281.19, 4,526.75 and 2,162.72 is: 2,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.19 : 4,526.75 = 2,162.72 : x
  2. Step 2: Convert to fraction form
    3,281.19/4,526.75 = 2,162.72/x
  3. Step 3: Cross multiply
    3,281.19x = 4,526.75 × 2,162.72
  4. Step 4: Simplify right side
    3,281.19x = 9,790,092.76
  5. Step 5: Solve for x
    x = 9,790,092.76/3,281.19
  6. Step 6: Final answer
    x = 2,983.70

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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.