Home / 3,320.89-4,979.02-2,384.41

Finding the Fourth Proportional to 3,320.89, 4,979.02 and 2,384.41

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Solution

The fourth proportional to 3,320.89, 4,979.02 and 2,384.41 is: 3,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.89 : 4,979.02 = 2,384.41 : x
  2. Step 2: Convert to fraction form
    3,320.89/4,979.02 = 2,384.41/x
  3. Step 3: Cross multiply
    3,320.89x = 4,979.02 × 2,384.41
  4. Step 4: Simplify right side
    3,320.89x = 11,872,025.08
  5. Step 5: Solve for x
    x = 11,872,025.08/3,320.89
  6. Step 6: Final answer
    x = 3,574.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.