Home / 1,941.17-2,912.25-625.05

Finding the Fourth Proportional to 1,941.17, 2,912.25 and 625.05

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Solution

The fourth proportional to 1,941.17, 2,912.25 and 625.05 is: 937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.17 : 2,912.25 = 625.05 : x
  2. Step 2: Convert to fraction form
    1,941.17/2,912.25 = 625.05/x
  3. Step 3: Cross multiply
    1,941.17x = 2,912.25 × 625.05
  4. Step 4: Simplify right side
    1,941.17x = 1,820,298.93
  5. Step 5: Solve for x
    x = 1,820,298.93/1,941.17
  6. Step 6: Final answer
    x = 937.73

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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.