Home / 3,013.52-4,164.34-2,176.80

Finding the Fourth Proportional to 3,013.52, 4,164.34 and 2,176.80

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Solution

The fourth proportional to 3,013.52, 4,164.34 and 2,176.80 is: 3,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.52 : 4,164.34 = 2,176.80 : x
  2. Step 2: Convert to fraction form
    3,013.52/4,164.34 = 2,176.80/x
  3. Step 3: Cross multiply
    3,013.52x = 4,164.34 × 2,176.80
  4. Step 4: Simplify right side
    3,013.52x = 9,064,935.31
  5. Step 5: Solve for x
    x = 9,064,935.31/3,013.52
  6. Step 6: Final answer
    x = 3,008.09

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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.