Home / 2,265.10-3,394-1,397.59

Finding the Fourth Proportional to 2,265.10, 3,394 and 1,397.59

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Solution

The fourth proportional to 2,265.10, 3,394 and 1,397.59 is: 2,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.10 : 3,394 = 1,397.59 : x
  2. Step 2: Convert to fraction form
    2,265.10/3,394 = 1,397.59/x
  3. Step 3: Cross multiply
    2,265.10x = 3,394 × 1,397.59
  4. Step 4: Simplify right side
    2,265.10x = 4,743,420.46
  5. Step 5: Solve for x
    x = 4,743,420.46/2,265.10
  6. Step 6: Final answer
    x = 2,094.13

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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.