Home / 2,276.78-3,141.98-1,332.36

Finding the Fourth Proportional to 2,276.78, 3,141.98 and 1,332.36

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Solution

The fourth proportional to 2,276.78, 3,141.98 and 1,332.36 is: 1,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.78 : 3,141.98 = 1,332.36 : x
  2. Step 2: Convert to fraction form
    2,276.78/3,141.98 = 1,332.36/x
  3. Step 3: Cross multiply
    2,276.78x = 3,141.98 × 1,332.36
  4. Step 4: Simplify right side
    2,276.78x = 4,186,241.81
  5. Step 5: Solve for x
    x = 4,186,241.81/2,276.78
  6. Step 6: Final answer
    x = 1,838.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.