Home / 3,394.55-4,685.16-2,320.69

Finding the Fourth Proportional to 3,394.55, 4,685.16 and 2,320.69

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Solution

The fourth proportional to 3,394.55, 4,685.16 and 2,320.69 is: 3,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.55 : 4,685.16 = 2,320.69 : x
  2. Step 2: Convert to fraction form
    3,394.55/4,685.16 = 2,320.69/x
  3. Step 3: Cross multiply
    3,394.55x = 4,685.16 × 2,320.69
  4. Step 4: Simplify right side
    3,394.55x = 10,872,803.96
  5. Step 5: Solve for x
    x = 10,872,803.96/3,394.55
  6. Step 6: Final answer
    x = 3,203.02

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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.