Home / 2,715.00-4,070.19-2,585.83

Finding the Fourth Proportional to 2,715.00, 4,070.19 and 2,585.83

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Solution

The fourth proportional to 2,715.00, 4,070.19 and 2,585.83 is: 3,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.00 : 4,070.19 = 2,585.83 : x
  2. Step 2: Convert to fraction form
    2,715.00/4,070.19 = 2,585.83/x
  3. Step 3: Cross multiply
    2,715.00x = 4,070.19 × 2,585.83
  4. Step 4: Simplify right side
    2,715.00x = 10,524,812.02
  5. Step 5: Solve for x
    x = 10,524,812.02/2,715.00
  6. Step 6: Final answer
    x = 3,876.54

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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.