Home / 1,353.04-2,029.68-531.34

Finding the Fourth Proportional to 1,353.04, 2,029.68 and 531.34

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Solution

The fourth proportional to 1,353.04, 2,029.68 and 531.34 is: 797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.04 : 2,029.68 = 531.34 : x
  2. Step 2: Convert to fraction form
    1,353.04/2,029.68 = 531.34/x
  3. Step 3: Cross multiply
    1,353.04x = 2,029.68 × 531.34
  4. Step 4: Simplify right side
    1,353.04x = 1,078,450.17
  5. Step 5: Solve for x
    x = 1,078,450.17/1,353.04
  6. Step 6: Final answer
    x = 797.06

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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.