Home / 2,867.80-4,301.70-2,758.45

Finding the Fourth Proportional to 2,867.80, 4,301.70 and 2,758.45

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Solution

The fourth proportional to 2,867.80, 4,301.70 and 2,758.45 is: 4,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.80 : 4,301.70 = 2,758.45 : x
  2. Step 2: Convert to fraction form
    2,867.80/4,301.70 = 2,758.45/x
  3. Step 3: Cross multiply
    2,867.80x = 4,301.70 × 2,758.45
  4. Step 4: Simplify right side
    2,867.80x = 11,866,024.37
  5. Step 5: Solve for x
    x = 11,866,024.37/2,867.80
  6. Step 6: Final answer
    x = 4,137.68

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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.