Home / 4,138.02-5,708.17-2,721.94

Finding the Fourth Proportional to 4,138.02, 5,708.17 and 2,721.94

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Solution

The fourth proportional to 4,138.02, 5,708.17 and 2,721.94 is: 3,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.02 : 5,708.17 = 2,721.94 : x
  2. Step 2: Convert to fraction form
    4,138.02/5,708.17 = 2,721.94/x
  3. Step 3: Cross multiply
    4,138.02x = 5,708.17 × 2,721.94
  4. Step 4: Simplify right side
    4,138.02x = 15,537,285.38
  5. Step 5: Solve for x
    x = 15,537,285.38/4,138.02
  6. Step 6: Final answer
    x = 3,754.76

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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.