Home / 3,165.60-4,722.09-2,801.10

Finding the Fourth Proportional to 3,165.60, 4,722.09 and 2,801.10

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Solution

The fourth proportional to 3,165.60, 4,722.09 and 2,801.10 is: 4,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.60 : 4,722.09 = 2,801.10 : x
  2. Step 2: Convert to fraction form
    3,165.60/4,722.09 = 2,801.10/x
  3. Step 3: Cross multiply
    3,165.60x = 4,722.09 × 2,801.10
  4. Step 4: Simplify right side
    3,165.60x = 13,227,046.30
  5. Step 5: Solve for x
    x = 13,227,046.30/3,165.60
  6. Step 6: Final answer
    x = 4,178.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.