Home / 3,436.87-4,742.89-1,864.96

Finding the Fourth Proportional to 3,436.87, 4,742.89 and 1,864.96

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Solution

The fourth proportional to 3,436.87, 4,742.89 and 1,864.96 is: 2,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.87 : 4,742.89 = 1,864.96 : x
  2. Step 2: Convert to fraction form
    3,436.87/4,742.89 = 1,864.96/x
  3. Step 3: Cross multiply
    3,436.87x = 4,742.89 × 1,864.96
  4. Step 4: Simplify right side
    3,436.87x = 8,845,300.13
  5. Step 5: Solve for x
    x = 8,845,300.13/3,436.87
  6. Step 6: Final answer
    x = 2,573.65

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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.