Home / 2,839.61-4,240.28-2,320.63

Finding the Fourth Proportional to 2,839.61, 4,240.28 and 2,320.63

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Solution

The fourth proportional to 2,839.61, 4,240.28 and 2,320.63 is: 3,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.61 : 4,240.28 = 2,320.63 : x
  2. Step 2: Convert to fraction form
    2,839.61/4,240.28 = 2,320.63/x
  3. Step 3: Cross multiply
    2,839.61x = 4,240.28 × 2,320.63
  4. Step 4: Simplify right side
    2,839.61x = 9,840,116.18
  5. Step 5: Solve for x
    x = 9,840,116.18/2,839.61
  6. Step 6: Final answer
    x = 3,465.30

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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.