Home / 2,952.27-4,426.99-1,390.97

Finding the Fourth Proportional to 2,952.27, 4,426.99 and 1,390.97

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Solution

The fourth proportional to 2,952.27, 4,426.99 and 1,390.97 is: 2,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.27 : 4,426.99 = 1,390.97 : x
  2. Step 2: Convert to fraction form
    2,952.27/4,426.99 = 1,390.97/x
  3. Step 3: Cross multiply
    2,952.27x = 4,426.99 × 1,390.97
  4. Step 4: Simplify right side
    2,952.27x = 6,157,817.87
  5. Step 5: Solve for x
    x = 6,157,817.87/2,952.27
  6. Step 6: Final answer
    x = 2,085.79

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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.