Home / 3,248.80-4,483.38-1,972.31

Finding the Fourth Proportional to 3,248.80, 4,483.38 and 1,972.31

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Solution

The fourth proportional to 3,248.80, 4,483.38 and 1,972.31 is: 2,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.80 : 4,483.38 = 1,972.31 : x
  2. Step 2: Convert to fraction form
    3,248.80/4,483.38 = 1,972.31/x
  3. Step 3: Cross multiply
    3,248.80x = 4,483.38 × 1,972.31
  4. Step 4: Simplify right side
    3,248.80x = 8,842,631.71
  5. Step 5: Solve for x
    x = 8,842,631.71/3,248.80
  6. Step 6: Final answer
    x = 2,721.81

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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.