Home / 3,291.60-4,939.74-2,368.74

Finding the Fourth Proportional to 3,291.60, 4,939.74 and 2,368.74

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Solution

The fourth proportional to 3,291.60, 4,939.74 and 2,368.74 is: 3,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.60 : 4,939.74 = 2,368.74 : x
  2. Step 2: Convert to fraction form
    3,291.60/4,939.74 = 2,368.74/x
  3. Step 3: Cross multiply
    3,291.60x = 4,939.74 × 2,368.74
  4. Step 4: Simplify right side
    3,291.60x = 11,700,959.73
  5. Step 5: Solve for x
    x = 11,700,959.73/3,291.60
  6. Step 6: Final answer
    x = 3,554.79

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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.