Home / 2,963.98-4,086.42-2,430.91

Finding the Fourth Proportional to 2,963.98, 4,086.42 and 2,430.91

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Solution

The fourth proportional to 2,963.98, 4,086.42 and 2,430.91 is: 3,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.98 : 4,086.42 = 2,430.91 : x
  2. Step 2: Convert to fraction form
    2,963.98/4,086.42 = 2,430.91/x
  3. Step 3: Cross multiply
    2,963.98x = 4,086.42 × 2,430.91
  4. Step 4: Simplify right side
    2,963.98x = 9,933,719.24
  5. Step 5: Solve for x
    x = 9,933,719.24/2,963.98
  6. Step 6: Final answer
    x = 3,351.48

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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.