Home / 1,540.75-2,301.28-1,394.27

Finding the Fourth Proportional to 1,540.75, 2,301.28 and 1,394.27

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Solution

The fourth proportional to 1,540.75, 2,301.28 and 1,394.27 is: 2,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.75 : 2,301.28 = 1,394.27 : x
  2. Step 2: Convert to fraction form
    1,540.75/2,301.28 = 1,394.27/x
  3. Step 3: Cross multiply
    1,540.75x = 2,301.28 × 1,394.27
  4. Step 4: Simplify right side
    1,540.75x = 3,208,605.67
  5. Step 5: Solve for x
    x = 3,208,605.67/1,540.75
  6. Step 6: Final answer
    x = 2,082.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.