Home / 1,469.15-2,191.40-1,349.75

Finding the Fourth Proportional to 1,469.15, 2,191.40 and 1,349.75

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Solution

The fourth proportional to 1,469.15, 2,191.40 and 1,349.75 is: 2,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.15 : 2,191.40 = 1,349.75 : x
  2. Step 2: Convert to fraction form
    1,469.15/2,191.40 = 1,349.75/x
  3. Step 3: Cross multiply
    1,469.15x = 2,191.40 × 1,349.75
  4. Step 4: Simplify right side
    1,469.15x = 2,957,835.40
  5. Step 5: Solve for x
    x = 2,957,835.40/1,469.15
  6. Step 6: Final answer
    x = 2,013.30

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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.