Home / 3,169.97-4,752.93-2,780.75

Finding the Fourth Proportional to 3,169.97, 4,752.93 and 2,780.75

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Solution

The fourth proportional to 3,169.97, 4,752.93 and 2,780.75 is: 4,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.97 : 4,752.93 = 2,780.75 : x
  2. Step 2: Convert to fraction form
    3,169.97/4,752.93 = 2,780.75/x
  3. Step 3: Cross multiply
    3,169.97x = 4,752.93 × 2,780.75
  4. Step 4: Simplify right side
    3,169.97x = 13,216,710.10
  5. Step 5: Solve for x
    x = 13,216,710.10/3,169.97
  6. Step 6: Final answer
    x = 4,169.35

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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.