Home / 1,353.31-2,027.84-1,045.91

Finding the Fourth Proportional to 1,353.31, 2,027.84 and 1,045.91

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Solution

The fourth proportional to 1,353.31, 2,027.84 and 1,045.91 is: 1,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.31 : 2,027.84 = 1,045.91 : x
  2. Step 2: Convert to fraction form
    1,353.31/2,027.84 = 1,045.91/x
  3. Step 3: Cross multiply
    1,353.31x = 2,027.84 × 1,045.91
  4. Step 4: Simplify right side
    1,353.31x = 2,120,937.97
  5. Step 5: Solve for x
    x = 2,120,937.97/1,353.31
  6. Step 6: Final answer
    x = 1,567.23

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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.