Home / 2,715.19-4,070.48-2,586.02

Finding the Fourth Proportional to 2,715.19, 4,070.48 and 2,586.02

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Solution

The fourth proportional to 2,715.19, 4,070.48 and 2,586.02 is: 3,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.19 : 4,070.48 = 2,586.02 : x
  2. Step 2: Convert to fraction form
    2,715.19/4,070.48 = 2,586.02/x
  3. Step 3: Cross multiply
    2,715.19x = 4,070.48 × 2,586.02
  4. Step 4: Simplify right side
    2,715.19x = 10,526,309.41
  5. Step 5: Solve for x
    x = 10,526,309.41/2,715.19
  6. Step 6: Final answer
    x = 3,876.83

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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.