Home / 1,364.67-2,046.90-487.14

Finding the Fourth Proportional to 1,364.67, 2,046.90 and 487.14

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Solution

The fourth proportional to 1,364.67, 2,046.90 and 487.14 is: 730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.67 : 2,046.90 = 487.14 : x
  2. Step 2: Convert to fraction form
    1,364.67/2,046.90 = 487.14/x
  3. Step 3: Cross multiply
    1,364.67x = 2,046.90 × 487.14
  4. Step 4: Simplify right side
    1,364.67x = 997,126.87
  5. Step 5: Solve for x
    x = 997,126.87/1,364.67
  6. Step 6: Final answer
    x = 730.67

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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.