Home / 1,353.24-2,020.92-1,156.14

Finding the Fourth Proportional to 1,353.24, 2,020.92 and 1,156.14

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Solution

The fourth proportional to 1,353.24, 2,020.92 and 1,156.14 is: 1,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.24 : 2,020.92 = 1,156.14 : x
  2. Step 2: Convert to fraction form
    1,353.24/2,020.92 = 1,156.14/x
  3. Step 3: Cross multiply
    1,353.24x = 2,020.92 × 1,156.14
  4. Step 4: Simplify right side
    1,353.24x = 2,336,466.45
  5. Step 5: Solve for x
    x = 2,336,466.45/1,353.24
  6. Step 6: Final answer
    x = 1,726.57

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1.5x scale

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.