Home / 2,299.19-3,172.60-1,304.42

Finding the Fourth Proportional to 2,299.19, 3,172.60 and 1,304.42

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Solution

The fourth proportional to 2,299.19, 3,172.60 and 1,304.42 is: 1,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.19 : 3,172.60 = 1,304.42 : x
  2. Step 2: Convert to fraction form
    2,299.19/3,172.60 = 1,304.42/x
  3. Step 3: Cross multiply
    2,299.19x = 3,172.60 × 1,304.42
  4. Step 4: Simplify right side
    2,299.19x = 4,138,402.89
  5. Step 5: Solve for x
    x = 4,138,402.89/2,299.19
  6. Step 6: Final answer
    x = 1,799.94

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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.