Home / 2,767.84-4,131.08-2,320.72

Finding the Fourth Proportional to 2,767.84, 4,131.08 and 2,320.72

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Solution

The fourth proportional to 2,767.84, 4,131.08 and 2,320.72 is: 3,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.84 : 4,131.08 = 2,320.72 : x
  2. Step 2: Convert to fraction form
    2,767.84/4,131.08 = 2,320.72/x
  3. Step 3: Cross multiply
    2,767.84x = 4,131.08 × 2,320.72
  4. Step 4: Simplify right side
    2,767.84x = 9,587,079.98
  5. Step 5: Solve for x
    x = 9,587,079.98/2,767.84
  6. Step 6: Final answer
    x = 3,463.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.