Home / 3,177.99-4,386.02-1,999.04

Finding the Fourth Proportional to 3,177.99, 4,386.02 and 1,999.04

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Solution

The fourth proportional to 3,177.99, 4,386.02 and 1,999.04 is: 2,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.99 : 4,386.02 = 1,999.04 : x
  2. Step 2: Convert to fraction form
    3,177.99/4,386.02 = 1,999.04/x
  3. Step 3: Cross multiply
    3,177.99x = 4,386.02 × 1,999.04
  4. Step 4: Simplify right side
    3,177.99x = 8,767,797.50
  5. Step 5: Solve for x
    x = 8,767,797.50/3,177.99
  6. Step 6: Final answer
    x = 2,758.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.