Home / 2,299.28-3,449.06-1,000.40

Finding the Fourth Proportional to 2,299.28, 3,449.06 and 1,000.40

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Solution

The fourth proportional to 2,299.28, 3,449.06 and 1,000.40 is: 1,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.28 : 3,449.06 = 1,000.40 : x
  2. Step 2: Convert to fraction form
    2,299.28/3,449.06 = 1,000.40/x
  3. Step 3: Cross multiply
    2,299.28x = 3,449.06 × 1,000.40
  4. Step 4: Simplify right side
    2,299.28x = 3,450,439.62
  5. Step 5: Solve for x
    x = 3,450,439.62/2,299.28
  6. Step 6: Final answer
    x = 1,500.66

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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.