Home / 3,248.28-4,870.26-1,788.12

Finding the Fourth Proportional to 3,248.28, 4,870.26 and 1,788.12

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Solution

The fourth proportional to 3,248.28, 4,870.26 and 1,788.12 is: 2,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.28 : 4,870.26 = 1,788.12 : x
  2. Step 2: Convert to fraction form
    3,248.28/4,870.26 = 1,788.12/x
  3. Step 3: Cross multiply
    3,248.28x = 4,870.26 × 1,788.12
  4. Step 4: Simplify right side
    3,248.28x = 8,708,609.31
  5. Step 5: Solve for x
    x = 8,708,609.31/3,248.28
  6. Step 6: Final answer
    x = 2,680.99

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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.