Home / 3,458-5,182.32-1,895.66

Finding the Fourth Proportional to 3,458, 5,182.32 and 1,895.66

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Solution

The fourth proportional to 3,458, 5,182.32 and 1,895.66 is: 2,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458 : 5,182.32 = 1,895.66 : x
  2. Step 2: Convert to fraction form
    3,458/5,182.32 = 1,895.66/x
  3. Step 3: Cross multiply
    3,458x = 5,182.32 × 1,895.66
  4. Step 4: Simplify right side
    3,458x = 9,823,916.73
  5. Step 5: Solve for x
    x = 9,823,916.73/3,458
  6. Step 6: Final answer
    x = 2,840.92

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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.