Home / 2,864.28-3,952.62-1,685.43

Finding the Fourth Proportional to 2,864.28, 3,952.62 and 1,685.43

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Solution

The fourth proportional to 2,864.28, 3,952.62 and 1,685.43 is: 2,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.28 : 3,952.62 = 1,685.43 : x
  2. Step 2: Convert to fraction form
    2,864.28/3,952.62 = 1,685.43/x
  3. Step 3: Cross multiply
    2,864.28x = 3,952.62 × 1,685.43
  4. Step 4: Simplify right side
    2,864.28x = 6,661,864.33
  5. Step 5: Solve for x
    x = 6,661,864.33/2,864.28
  6. Step 6: Final answer
    x = 2,325.84

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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.