Home / 3,212.75-4,818.32-1,545.23

Finding the Fourth Proportional to 3,212.75, 4,818.32 and 1,545.23

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Solution

The fourth proportional to 3,212.75, 4,818.32 and 1,545.23 is: 2,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.75 : 4,818.32 = 1,545.23 : x
  2. Step 2: Convert to fraction form
    3,212.75/4,818.32 = 1,545.23/x
  3. Step 3: Cross multiply
    3,212.75x = 4,818.32 × 1,545.23
  4. Step 4: Simplify right side
    3,212.75x = 7,445,422.73
  5. Step 5: Solve for x
    x = 7,445,422.73/3,212.75
  6. Step 6: Final answer
    x = 2,317.46

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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.