Home / 3,248.40-4,872.90-1,300.20

Finding the Fourth Proportional to 3,248.40, 4,872.90 and 1,300.20

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Solution

The fourth proportional to 3,248.40, 4,872.90 and 1,300.20 is: 1,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.40 : 4,872.90 = 1,300.20 : x
  2. Step 2: Convert to fraction form
    3,248.40/4,872.90 = 1,300.20/x
  3. Step 3: Cross multiply
    3,248.40x = 4,872.90 × 1,300.20
  4. Step 4: Simplify right side
    3,248.40x = 6,335,744.58
  5. Step 5: Solve for x
    x = 6,335,744.58/3,248.40
  6. Step 6: Final answer
    x = 1,950.42

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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.