Home / 2,707.84-4,042.13-2,379.79

Finding the Fourth Proportional to 2,707.84, 4,042.13 and 2,379.79

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Solution

The fourth proportional to 2,707.84, 4,042.13 and 2,379.79 is: 3,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.84 : 4,042.13 = 2,379.79 : x
  2. Step 2: Convert to fraction form
    2,707.84/4,042.13 = 2,379.79/x
  3. Step 3: Cross multiply
    2,707.84x = 4,042.13 × 2,379.79
  4. Step 4: Simplify right side
    2,707.84x = 9,619,420.55
  5. Step 5: Solve for x
    x = 9,619,420.55/2,707.84
  6. Step 6: Final answer
    x = 3,552.43

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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.