Home / 1,508.65-2,082.03-845.62

Finding the Fourth Proportional to 1,508.65, 2,082.03 and 845.62

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Solution

The fourth proportional to 1,508.65, 2,082.03 and 845.62 is: 1,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.65 : 2,082.03 = 845.62 : x
  2. Step 2: Convert to fraction form
    1,508.65/2,082.03 = 845.62/x
  3. Step 3: Cross multiply
    1,508.65x = 2,082.03 × 845.62
  4. Step 4: Simplify right side
    1,508.65x = 1,760,606.21
  5. Step 5: Solve for x
    x = 1,760,606.21/1,508.65
  6. Step 6: Final answer
    x = 1,167.01

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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.