Home / 2,316.26-3,199.52-2,021.02

Finding the Fourth Proportional to 2,316.26, 3,199.52 and 2,021.02

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Solution

The fourth proportional to 2,316.26, 3,199.52 and 2,021.02 is: 2,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.26 : 3,199.52 = 2,021.02 : x
  2. Step 2: Convert to fraction form
    2,316.26/3,199.52 = 2,021.02/x
  3. Step 3: Cross multiply
    2,316.26x = 3,199.52 × 2,021.02
  4. Step 4: Simplify right side
    2,316.26x = 6,466,293.91
  5. Step 5: Solve for x
    x = 6,466,293.91/2,316.26
  6. Step 6: Final answer
    x = 2,791.70

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1.5x scale

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.