Home / 2,911.24-4,368.30-2,132.02

Finding the Fourth Proportional to 2,911.24, 4,368.30 and 2,132.02

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Solution

The fourth proportional to 2,911.24, 4,368.30 and 2,132.02 is: 3,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.24 : 4,368.30 = 2,132.02 : x
  2. Step 2: Convert to fraction form
    2,911.24/4,368.30 = 2,132.02/x
  3. Step 3: Cross multiply
    2,911.24x = 4,368.30 × 2,132.02
  4. Step 4: Simplify right side
    2,911.24x = 9,313,302.97
  5. Step 5: Solve for x
    x = 9,313,302.97/2,911.24
  6. Step 6: Final answer
    x = 3,199.08

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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.