Home / 2,891.35-4,334.05-1,246.51

Finding the Fourth Proportional to 2,891.35, 4,334.05 and 1,246.51

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Solution

The fourth proportional to 2,891.35, 4,334.05 and 1,246.51 is: 1,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.35 : 4,334.05 = 1,246.51 : x
  2. Step 2: Convert to fraction form
    2,891.35/4,334.05 = 1,246.51/x
  3. Step 3: Cross multiply
    2,891.35x = 4,334.05 × 1,246.51
  4. Step 4: Simplify right side
    2,891.35x = 5,402,436.67
  5. Step 5: Solve for x
    x = 5,402,436.67/2,891.35
  6. Step 6: Final answer
    x = 1,868.48

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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.