Home / 1,463.28-2,193.60-943.68

Finding the Fourth Proportional to 1,463.28, 2,193.60 and 943.68

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Solution

The fourth proportional to 1,463.28, 2,193.60 and 943.68 is: 1,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.28 : 2,193.60 = 943.68 : x
  2. Step 2: Convert to fraction form
    1,463.28/2,193.60 = 943.68/x
  3. Step 3: Cross multiply
    1,463.28x = 2,193.60 × 943.68
  4. Step 4: Simplify right side
    1,463.28x = 2,070,056.45
  5. Step 5: Solve for x
    x = 2,070,056.45/1,463.28
  6. Step 6: Final answer
    x = 1,414.67

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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.