Home / 2,545.24-3,511.74-1,550.56

Finding the Fourth Proportional to 2,545.24, 3,511.74 and 1,550.56

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Solution

The fourth proportional to 2,545.24, 3,511.74 and 1,550.56 is: 2,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.24 : 3,511.74 = 1,550.56 : x
  2. Step 2: Convert to fraction form
    2,545.24/3,511.74 = 1,550.56/x
  3. Step 3: Cross multiply
    2,545.24x = 3,511.74 × 1,550.56
  4. Step 4: Simplify right side
    2,545.24x = 5,445,163.57
  5. Step 5: Solve for x
    x = 5,445,163.57/2,545.24
  6. Step 6: Final answer
    x = 2,139.35

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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.