Home / 2,389.93-3,586.29-1,003.16

Finding the Fourth Proportional to 2,389.93, 3,586.29 and 1,003.16

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Solution

The fourth proportional to 2,389.93, 3,586.29 and 1,003.16 is: 1,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.93 : 3,586.29 = 1,003.16 : x
  2. Step 2: Convert to fraction form
    2,389.93/3,586.29 = 1,003.16/x
  3. Step 3: Cross multiply
    2,389.93x = 3,586.29 × 1,003.16
  4. Step 4: Simplify right side
    2,389.93x = 3,597,622.68
  5. Step 5: Solve for x
    x = 3,597,622.68/2,389.93
  6. Step 6: Final answer
    x = 1,505.33

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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.