Home / 2,743.76-4,095.36-2,551.12

Finding the Fourth Proportional to 2,743.76, 4,095.36 and 2,551.12

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Solution

The fourth proportional to 2,743.76, 4,095.36 and 2,551.12 is: 3,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.76 : 4,095.36 = 2,551.12 : x
  2. Step 2: Convert to fraction form
    2,743.76/4,095.36 = 2,551.12/x
  3. Step 3: Cross multiply
    2,743.76x = 4,095.36 × 2,551.12
  4. Step 4: Simplify right side
    2,743.76x = 10,447,754.80
  5. Step 5: Solve for x
    x = 10,447,754.80/2,743.76
  6. Step 6: Final answer
    x = 3,807.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.