Home / 2,657.43-3,977.91-2,263.77

Finding the Fourth Proportional to 2,657.43, 3,977.91 and 2,263.77

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Solution

The fourth proportional to 2,657.43, 3,977.91 and 2,263.77 is: 3,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.43 : 3,977.91 = 2,263.77 : x
  2. Step 2: Convert to fraction form
    2,657.43/3,977.91 = 2,263.77/x
  3. Step 3: Cross multiply
    2,657.43x = 3,977.91 × 2,263.77
  4. Step 4: Simplify right side
    2,657.43x = 9,005,073.32
  5. Step 5: Solve for x
    x = 9,005,073.32/2,657.43
  6. Step 6: Final answer
    x = 3,388.64

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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.