Home / 2,545.39-3,512.66-1,426.33

Finding the Fourth Proportional to 2,545.39, 3,512.66 and 1,426.33

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Solution

The fourth proportional to 2,545.39, 3,512.66 and 1,426.33 is: 1,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.39 : 3,512.66 = 1,426.33 : x
  2. Step 2: Convert to fraction form
    2,545.39/3,512.66 = 1,426.33/x
  3. Step 3: Cross multiply
    2,545.39x = 3,512.66 × 1,426.33
  4. Step 4: Simplify right side
    2,545.39x = 5,010,209.60
  5. Step 5: Solve for x
    x = 5,010,209.60/2,545.39
  6. Step 6: Final answer
    x = 1,968.35

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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.