Home / 2,993.79-4,132.91-2,320.08

Finding the Fourth Proportional to 2,993.79, 4,132.91 and 2,320.08

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Solution

The fourth proportional to 2,993.79, 4,132.91 and 2,320.08 is: 3,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.79 : 4,132.91 = 2,320.08 : x
  2. Step 2: Convert to fraction form
    2,993.79/4,132.91 = 2,320.08/x
  3. Step 3: Cross multiply
    2,993.79x = 4,132.91 × 2,320.08
  4. Step 4: Simplify right side
    2,993.79x = 9,588,681.83
  5. Step 5: Solve for x
    x = 9,588,681.83/2,993.79
  6. Step 6: Final answer
    x = 3,202.86

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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.