Home / 3,177.90-4,376.43-2,292.30

Finding the Fourth Proportional to 3,177.90, 4,376.43 and 2,292.30

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Solution

The fourth proportional to 3,177.90, 4,376.43 and 2,292.30 is: 3,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.90 : 4,376.43 = 2,292.30 : x
  2. Step 2: Convert to fraction form
    3,177.90/4,376.43 = 2,292.30/x
  3. Step 3: Cross multiply
    3,177.90x = 4,376.43 × 2,292.30
  4. Step 4: Simplify right side
    3,177.90x = 10,032,090.49
  5. Step 5: Solve for x
    x = 10,032,090.49/3,177.90
  6. Step 6: Final answer
    x = 3,156.83

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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.