Home / 2,834.16-3,913.08-2,169.84

Finding the Fourth Proportional to 2,834.16, 3,913.08 and 2,169.84

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Solution

The fourth proportional to 2,834.16, 3,913.08 and 2,169.84 is: 2,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.16 : 3,913.08 = 2,169.84 : x
  2. Step 2: Convert to fraction form
    2,834.16/3,913.08 = 2,169.84/x
  3. Step 3: Cross multiply
    2,834.16x = 3,913.08 × 2,169.84
  4. Step 4: Simplify right side
    2,834.16x = 8,490,757.51
  5. Step 5: Solve for x
    x = 8,490,757.51/2,834.16
  6. Step 6: Final answer
    x = 2,995.86

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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.