Home / 3,177.30-4,760.75-3,055.80

Finding the Fourth Proportional to 3,177.30, 4,760.75 and 3,055.80

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Solution

The fourth proportional to 3,177.30, 4,760.75 and 3,055.80 is: 4,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.30 : 4,760.75 = 3,055.80 : x
  2. Step 2: Convert to fraction form
    3,177.30/4,760.75 = 3,055.80/x
  3. Step 3: Cross multiply
    3,177.30x = 4,760.75 × 3,055.80
  4. Step 4: Simplify right side
    3,177.30x = 14,547,899.85
  5. Step 5: Solve for x
    x = 14,547,899.85/3,177.30
  6. Step 6: Final answer
    x = 4,578.70

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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.