Home / 1,425.23-2,124.49-1,268.27

Finding the Fourth Proportional to 1,425.23, 2,124.49 and 1,268.27

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Solution

The fourth proportional to 1,425.23, 2,124.49 and 1,268.27 is: 1,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.23 : 2,124.49 = 1,268.27 : x
  2. Step 2: Convert to fraction form
    1,425.23/2,124.49 = 1,268.27/x
  3. Step 3: Cross multiply
    1,425.23x = 2,124.49 × 1,268.27
  4. Step 4: Simplify right side
    1,425.23x = 2,694,426.93
  5. Step 5: Solve for x
    x = 2,694,426.93/1,425.23
  6. Step 6: Final answer
    x = 1,890.52

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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.