Home / 3,280.02-4,919.76-1,088.03

Finding the Fourth Proportional to 3,280.02, 4,919.76 and 1,088.03

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Solution

The fourth proportional to 3,280.02, 4,919.76 and 1,088.03 is: 1,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.02 : 4,919.76 = 1,088.03 : x
  2. Step 2: Convert to fraction form
    3,280.02/4,919.76 = 1,088.03/x
  3. Step 3: Cross multiply
    3,280.02x = 4,919.76 × 1,088.03
  4. Step 4: Simplify right side
    3,280.02x = 5,352,821.87
  5. Step 5: Solve for x
    x = 5,352,821.87/3,280.02
  6. Step 6: Final answer
    x = 1,631.95

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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.