Home / 3,398.08-4,689.54-2,557.27

Finding the Fourth Proportional to 3,398.08, 4,689.54 and 2,557.27

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Solution

The fourth proportional to 3,398.08, 4,689.54 and 2,557.27 is: 3,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.08 : 4,689.54 = 2,557.27 : x
  2. Step 2: Convert to fraction form
    3,398.08/4,689.54 = 2,557.27/x
  3. Step 3: Cross multiply
    3,398.08x = 4,689.54 × 2,557.27
  4. Step 4: Simplify right side
    3,398.08x = 11,992,419.96
  5. Step 5: Solve for x
    x = 11,992,419.96/3,398.08
  6. Step 6: Final answer
    x = 3,529.18

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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.