Home / 3,172.25-4,376.64-1,844.87

Finding the Fourth Proportional to 3,172.25, 4,376.64 and 1,844.87

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Solution

The fourth proportional to 3,172.25, 4,376.64 and 1,844.87 is: 2,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.25 : 4,376.64 = 1,844.87 : x
  2. Step 2: Convert to fraction form
    3,172.25/4,376.64 = 1,844.87/x
  3. Step 3: Cross multiply
    3,172.25x = 4,376.64 × 1,844.87
  4. Step 4: Simplify right side
    3,172.25x = 8,074,309.95
  5. Step 5: Solve for x
    x = 8,074,309.95/3,172.25
  6. Step 6: Final answer
    x = 2,545.29

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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.