Home / 2,386.26-3,579.39-655.02

Finding the Fourth Proportional to 2,386.26, 3,579.39 and 655.02

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Solution

The fourth proportional to 2,386.26, 3,579.39 and 655.02 is: 982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.26 : 3,579.39 = 655.02 : x
  2. Step 2: Convert to fraction form
    2,386.26/3,579.39 = 655.02/x
  3. Step 3: Cross multiply
    2,386.26x = 3,579.39 × 655.02
  4. Step 4: Simplify right side
    2,386.26x = 2,344,572.04
  5. Step 5: Solve for x
    x = 2,344,572.04/2,386.26
  6. Step 6: Final answer
    x = 982.53

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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.