Home / 2,389.59-3,586.01-2,243.79

Finding the Fourth Proportional to 2,389.59, 3,586.01 and 2,243.79

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Solution

The fourth proportional to 2,389.59, 3,586.01 and 2,243.79 is: 3,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.59 : 3,586.01 = 2,243.79 : x
  2. Step 2: Convert to fraction form
    2,389.59/3,586.01 = 2,243.79/x
  3. Step 3: Cross multiply
    2,389.59x = 3,586.01 × 2,243.79
  4. Step 4: Simplify right side
    2,389.59x = 8,046,242.16
  5. Step 5: Solve for x
    x = 8,046,242.16/2,389.59
  6. Step 6: Final answer
    x = 3,367.21

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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.