Home / 2,265.40-3,394.38-1,397.92

Finding the Fourth Proportional to 2,265.40, 3,394.38 and 1,397.92

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Solution

The fourth proportional to 2,265.40, 3,394.38 and 1,397.92 is: 2,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.40 : 3,394.38 = 1,397.92 : x
  2. Step 2: Convert to fraction form
    2,265.40/3,394.38 = 1,397.92/x
  3. Step 3: Cross multiply
    2,265.40x = 3,394.38 × 1,397.92
  4. Step 4: Simplify right side
    2,265.40x = 4,745,071.69
  5. Step 5: Solve for x
    x = 4,745,071.69/2,265.40
  6. Step 6: Final answer
    x = 2,094.58

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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.