Home / 3,386.95-5,076.96-2,291.43

Finding the Fourth Proportional to 3,386.95, 5,076.96 and 2,291.43

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Solution

The fourth proportional to 3,386.95, 5,076.96 and 2,291.43 is: 3,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.95 : 5,076.96 = 2,291.43 : x
  2. Step 2: Convert to fraction form
    3,386.95/5,076.96 = 2,291.43/x
  3. Step 3: Cross multiply
    3,386.95x = 5,076.96 × 2,291.43
  4. Step 4: Simplify right side
    3,386.95x = 11,633,498.45
  5. Step 5: Solve for x
    x = 11,633,498.45/3,386.95
  6. Step 6: Final answer
    x = 3,434.80

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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.