Home / 2,545.58-3,512.79-1,426.57

Finding the Fourth Proportional to 2,545.58, 3,512.79 and 1,426.57

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Solution

The fourth proportional to 2,545.58, 3,512.79 and 1,426.57 is: 1,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.58 : 3,512.79 = 1,426.57 : x
  2. Step 2: Convert to fraction form
    2,545.58/3,512.79 = 1,426.57/x
  3. Step 3: Cross multiply
    2,545.58x = 3,512.79 × 1,426.57
  4. Step 4: Simplify right side
    2,545.58x = 5,011,232.05
  5. Step 5: Solve for x
    x = 5,011,232.05/2,545.58
  6. Step 6: Final answer
    x = 1,968.60

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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.