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Finding the Fourth Proportional to 1,463.40, 2,019.57 and 833.67

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Solution

The fourth proportional to 1,463.40, 2,019.57 and 833.67 is: 1,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.40 : 2,019.57 = 833.67 : x
  2. Step 2: Convert to fraction form
    1,463.40/2,019.57 = 833.67/x
  3. Step 3: Cross multiply
    1,463.40x = 2,019.57 × 833.67
  4. Step 4: Simplify right side
    1,463.40x = 1,683,654.92
  5. Step 5: Solve for x
    x = 1,683,654.92/1,463.40
  6. Step 6: Final answer
    x = 1,150.51

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1.5x scale

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.