Home / 2,299.78-3,449.67-1,002.16

Finding the Fourth Proportional to 2,299.78, 3,449.67 and 1,002.16

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Solution

The fourth proportional to 2,299.78, 3,449.67 and 1,002.16 is: 1,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.78 : 3,449.67 = 1,002.16 : x
  2. Step 2: Convert to fraction form
    2,299.78/3,449.67 = 1,002.16/x
  3. Step 3: Cross multiply
    2,299.78x = 3,449.67 × 1,002.16
  4. Step 4: Simplify right side
    2,299.78x = 3,457,121.29
  5. Step 5: Solve for x
    x = 3,457,121.29/2,299.78
  6. Step 6: Final answer
    x = 1,503.24

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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.