Home / 3,927.72-5,418.44-2,510.70

Finding the Fourth Proportional to 3,927.72, 5,418.44 and 2,510.70

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Solution

The fourth proportional to 3,927.72, 5,418.44 and 2,510.70 is: 3,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.72 : 5,418.44 = 2,510.70 : x
  2. Step 2: Convert to fraction form
    3,927.72/5,418.44 = 2,510.70/x
  3. Step 3: Cross multiply
    3,927.72x = 5,418.44 × 2,510.70
  4. Step 4: Simplify right side
    3,927.72x = 13,604,077.31
  5. Step 5: Solve for x
    x = 13,604,077.31/3,927.72
  6. Step 6: Final answer
    x = 3,463.61

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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.