Home / 4,127.69-5,700.71-2,803.61

Finding the Fourth Proportional to 4,127.69, 5,700.71 and 2,803.61

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Solution

The fourth proportional to 4,127.69, 5,700.71 and 2,803.61 is: 3,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.69 : 5,700.71 = 2,803.61 : x
  2. Step 2: Convert to fraction form
    4,127.69/5,700.71 = 2,803.61/x
  3. Step 3: Cross multiply
    4,127.69x = 5,700.71 × 2,803.61
  4. Step 4: Simplify right side
    4,127.69x = 15,982,567.56
  5. Step 5: Solve for x
    x = 15,982,567.56/4,127.69
  6. Step 6: Final answer
    x = 3,872.04

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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.