Home / 2,698.02-4,040.14-2,151.00

Finding the Fourth Proportional to 2,698.02, 4,040.14 and 2,151.00

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Solution

The fourth proportional to 2,698.02, 4,040.14 and 2,151.00 is: 3,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.02 : 4,040.14 = 2,151.00 : x
  2. Step 2: Convert to fraction form
    2,698.02/4,040.14 = 2,151.00/x
  3. Step 3: Cross multiply
    2,698.02x = 4,040.14 × 2,151.00
  4. Step 4: Simplify right side
    2,698.02x = 8,690,310.18
  5. Step 5: Solve for x
    x = 8,690,310.18/2,698.02
  6. Step 6: Final answer
    x = 3,221.00

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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.