Home / 2,963.30-4,087.82-2,404.40

Finding the Fourth Proportional to 2,963.30, 4,087.82 and 2,404.40

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Solution

The fourth proportional to 2,963.30, 4,087.82 and 2,404.40 is: 3,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.30 : 4,087.82 = 2,404.40 : x
  2. Step 2: Convert to fraction form
    2,963.30/4,087.82 = 2,404.40/x
  3. Step 3: Cross multiply
    2,963.30x = 4,087.82 × 2,404.40
  4. Step 4: Simplify right side
    2,963.30x = 9,828,754.41
  5. Step 5: Solve for x
    x = 9,828,754.41/2,963.30
  6. Step 6: Final answer
    x = 3,316.83

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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.