Home / 2,851.60-4,266.06-2,291.80

Finding the Fourth Proportional to 2,851.60, 4,266.06 and 2,291.80

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Solution

The fourth proportional to 2,851.60, 4,266.06 and 2,291.80 is: 3,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.60 : 4,266.06 = 2,291.80 : x
  2. Step 2: Convert to fraction form
    2,851.60/4,266.06 = 2,291.80/x
  3. Step 3: Cross multiply
    2,851.60x = 4,266.06 × 2,291.80
  4. Step 4: Simplify right side
    2,851.60x = 9,776,956.31
  5. Step 5: Solve for x
    x = 9,776,956.31/2,851.60
  6. Step 6: Final answer
    x = 3,428.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.