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Finding the Fourth Proportional to 1,666.87, 2,502.98 and 1,083.29

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Solution

The fourth proportional to 1,666.87, 2,502.98 and 1,083.29 is: 1,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.87 : 2,502.98 = 1,083.29 : x
  2. Step 2: Convert to fraction form
    1,666.87/2,502.98 = 1,083.29/x
  3. Step 3: Cross multiply
    1,666.87x = 2,502.98 × 1,083.29
  4. Step 4: Simplify right side
    1,666.87x = 2,711,439.81
  5. Step 5: Solve for x
    x = 2,711,439.81/1,666.87
  6. Step 6: Final answer
    x = 1,626.67

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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.