Home / 1,941.46-2,911.29-624.97

Finding the Fourth Proportional to 1,941.46, 2,911.29 and 624.97

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Solution

The fourth proportional to 1,941.46, 2,911.29 and 624.97 is: 937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.46 : 2,911.29 = 624.97 : x
  2. Step 2: Convert to fraction form
    1,941.46/2,911.29 = 624.97/x
  3. Step 3: Cross multiply
    1,941.46x = 2,911.29 × 624.97
  4. Step 4: Simplify right side
    1,941.46x = 1,819,468.91
  5. Step 5: Solve for x
    x = 1,819,468.91/1,941.46
  6. Step 6: Final answer
    x = 937.17

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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.