Home / 2,941.12-4,061.40-1,895

Finding the Fourth Proportional to 2,941.12, 4,061.40 and 1,895

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Solution

The fourth proportional to 2,941.12, 4,061.40 and 1,895 is: 2,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.12 : 4,061.40 = 1,895 : x
  2. Step 2: Convert to fraction form
    2,941.12/4,061.40 = 1,895/x
  3. Step 3: Cross multiply
    2,941.12x = 4,061.40 × 1,895
  4. Step 4: Simplify right side
    2,941.12x = 7,696,353
  5. Step 5: Solve for x
    x = 7,696,353/2,941.12
  6. Step 6: Final answer
    x = 2,616.81

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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.