Home / 3,304.96-4,561.28-2,129.45

Finding the Fourth Proportional to 3,304.96, 4,561.28 and 2,129.45

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Solution

The fourth proportional to 3,304.96, 4,561.28 and 2,129.45 is: 2,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.96 : 4,561.28 = 2,129.45 : x
  2. Step 2: Convert to fraction form
    3,304.96/4,561.28 = 2,129.45/x
  3. Step 3: Cross multiply
    3,304.96x = 4,561.28 × 2,129.45
  4. Step 4: Simplify right side
    3,304.96x = 9,712,992.23
  5. Step 5: Solve for x
    x = 9,712,992.23/3,304.96
  6. Step 6: Final answer
    x = 2,938.92

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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.