Home / 2,588.12-3,572.40-1,469.80

Finding the Fourth Proportional to 2,588.12, 3,572.40 and 1,469.80

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Solution

The fourth proportional to 2,588.12, 3,572.40 and 1,469.80 is: 2,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.12 : 3,572.40 = 1,469.80 : x
  2. Step 2: Convert to fraction form
    2,588.12/3,572.40 = 1,469.80/x
  3. Step 3: Cross multiply
    2,588.12x = 3,572.40 × 1,469.80
  4. Step 4: Simplify right side
    2,588.12x = 5,250,695.66
  5. Step 5: Solve for x
    x = 5,250,695.66/2,588.12
  6. Step 6: Final answer
    x = 2,028.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.