Home / 2,201.52-3,317.64-1,881.12

Finding the Fourth Proportional to 2,201.52, 3,317.64 and 1,881.12

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Solution

The fourth proportional to 2,201.52, 3,317.64 and 1,881.12 is: 2,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.52 : 3,317.64 = 1,881.12 : x
  2. Step 2: Convert to fraction form
    2,201.52/3,317.64 = 1,881.12/x
  3. Step 3: Cross multiply
    2,201.52x = 3,317.64 × 1,881.12
  4. Step 4: Simplify right side
    2,201.52x = 6,240,878.96
  5. Step 5: Solve for x
    x = 6,240,878.96/2,201.52
  6. Step 6: Final answer
    x = 2,834.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.