Home / 3,436.20-4,741.92-1,864.32

Finding the Fourth Proportional to 3,436.20, 4,741.92 and 1,864.32

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Solution

The fourth proportional to 3,436.20, 4,741.92 and 1,864.32 is: 2,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.20 : 4,741.92 = 1,864.32 : x
  2. Step 2: Convert to fraction form
    3,436.20/4,741.92 = 1,864.32/x
  3. Step 3: Cross multiply
    3,436.20x = 4,741.92 × 1,864.32
  4. Step 4: Simplify right side
    3,436.20x = 8,840,456.29
  5. Step 5: Solve for x
    x = 8,840,456.29/3,436.20
  6. Step 6: Final answer
    x = 2,572.74

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1.5x scale

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.