Home / 3,177.09-4,763.81-2,993.63

Finding the Fourth Proportional to 3,177.09, 4,763.81 and 2,993.63

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Solution

The fourth proportional to 3,177.09, 4,763.81 and 2,993.63 is: 4,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.09 : 4,763.81 = 2,993.63 : x
  2. Step 2: Convert to fraction form
    3,177.09/4,763.81 = 2,993.63/x
  3. Step 3: Cross multiply
    3,177.09x = 4,763.81 × 2,993.63
  4. Step 4: Simplify right side
    3,177.09x = 14,261,068.20
  5. Step 5: Solve for x
    x = 14,261,068.20/3,177.09
  6. Step 6: Final answer
    x = 4,488.72

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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.