Home / 2,238.76-3,359.10-1,263.40

Finding the Fourth Proportional to 2,238.76, 3,359.10 and 1,263.40

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Solution

The fourth proportional to 2,238.76, 3,359.10 and 1,263.40 is: 1,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.76 : 3,359.10 = 1,263.40 : x
  2. Step 2: Convert to fraction form
    2,238.76/3,359.10 = 1,263.40/x
  3. Step 3: Cross multiply
    2,238.76x = 3,359.10 × 1,263.40
  4. Step 4: Simplify right side
    2,238.76x = 4,243,886.94
  5. Step 5: Solve for x
    x = 4,243,886.94/2,238.76
  6. Step 6: Final answer
    x = 1,895.64

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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.