Home / 2,760.48-3,812.76-2,013.24

Finding the Fourth Proportional to 2,760.48, 3,812.76 and 2,013.24

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Solution

The fourth proportional to 2,760.48, 3,812.76 and 2,013.24 is: 2,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.48 : 3,812.76 = 2,013.24 : x
  2. Step 2: Convert to fraction form
    2,760.48/3,812.76 = 2,013.24/x
  3. Step 3: Cross multiply
    2,760.48x = 3,812.76 × 2,013.24
  4. Step 4: Simplify right side
    2,760.48x = 7,676,000.94
  5. Step 5: Solve for x
    x = 7,676,000.94/2,760.48
  6. Step 6: Final answer
    x = 2,780.68

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1.5x scale

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.