Home / 3,169.37-4,364.16-2,872.76

Finding the Fourth Proportional to 3,169.37, 4,364.16 and 2,872.76

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Solution

The fourth proportional to 3,169.37, 4,364.16 and 2,872.76 is: 3,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.37 : 4,364.16 = 2,872.76 : x
  2. Step 2: Convert to fraction form
    3,169.37/4,364.16 = 2,872.76/x
  3. Step 3: Cross multiply
    3,169.37x = 4,364.16 × 2,872.76
  4. Step 4: Simplify right side
    3,169.37x = 12,537,184.28
  5. Step 5: Solve for x
    x = 12,537,184.28/3,169.37
  6. Step 6: Final answer
    x = 3,955.73

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1.5x scale

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.