Home / 2,715.30-4,060.80-2,277.90

Finding the Fourth Proportional to 2,715.30, 4,060.80 and 2,277.90

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Solution

The fourth proportional to 2,715.30, 4,060.80 and 2,277.90 is: 3,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.30 : 4,060.80 = 2,277.90 : x
  2. Step 2: Convert to fraction form
    2,715.30/4,060.80 = 2,277.90/x
  3. Step 3: Cross multiply
    2,715.30x = 4,060.80 × 2,277.90
  4. Step 4: Simplify right side
    2,715.30x = 9,250,096.32
  5. Step 5: Solve for x
    x = 9,250,096.32/2,715.30
  6. Step 6: Final answer
    x = 3,406.66

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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.