Home / 3,456.96-5,176.80-2,154.48

Finding the Fourth Proportional to 3,456.96, 5,176.80 and 2,154.48

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Solution

The fourth proportional to 3,456.96, 5,176.80 and 2,154.48 is: 3,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.96 : 5,176.80 = 2,154.48 : x
  2. Step 2: Convert to fraction form
    3,456.96/5,176.80 = 2,154.48/x
  3. Step 3: Cross multiply
    3,456.96x = 5,176.80 × 2,154.48
  4. Step 4: Simplify right side
    3,456.96x = 11,153,312.06
  5. Step 5: Solve for x
    x = 11,153,312.06/3,456.96
  6. Step 6: Final answer
    x = 3,226.34

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1.5x scale

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.