Home / 2,572.00-3,855.60-1,400.29

Finding the Fourth Proportional to 2,572.00, 3,855.60 and 1,400.29

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Solution

The fourth proportional to 2,572.00, 3,855.60 and 1,400.29 is: 2,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.00 : 3,855.60 = 1,400.29 : x
  2. Step 2: Convert to fraction form
    2,572.00/3,855.60 = 1,400.29/x
  3. Step 3: Cross multiply
    2,572.00x = 3,855.60 × 1,400.29
  4. Step 4: Simplify right side
    2,572.00x = 5,398,948.49
  5. Step 5: Solve for x
    x = 5,398,948.49/2,572.00
  6. Step 6: Final answer
    x = 2,099.13

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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.