Home / 3,078.02-4,616.99-2,088.38

Finding the Fourth Proportional to 3,078.02, 4,616.99 and 2,088.38

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Solution

The fourth proportional to 3,078.02, 4,616.99 and 2,088.38 is: 3,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.02 : 4,616.99 = 2,088.38 : x
  2. Step 2: Convert to fraction form
    3,078.02/4,616.99 = 2,088.38/x
  3. Step 3: Cross multiply
    3,078.02x = 4,616.99 × 2,088.38
  4. Step 4: Simplify right side
    3,078.02x = 9,642,046.34
  5. Step 5: Solve for x
    x = 9,642,046.34/3,078.02
  6. Step 6: Final answer
    x = 3,132.55

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1.5x scale

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.