Home / 1,353.54-2,029.50-1,147.26

Finding the Fourth Proportional to 1,353.54, 2,029.50 and 1,147.26

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Solution

The fourth proportional to 1,353.54, 2,029.50 and 1,147.26 is: 1,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.54 : 2,029.50 = 1,147.26 : x
  2. Step 2: Convert to fraction form
    1,353.54/2,029.50 = 1,147.26/x
  3. Step 3: Cross multiply
    1,353.54x = 2,029.50 × 1,147.26
  4. Step 4: Simplify right side
    1,353.54x = 2,328,364.17
  5. Step 5: Solve for x
    x = 2,328,364.17/1,353.54
  6. Step 6: Final answer
    x = 1,720.20

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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.