Home / 2,197.82-3,032.99-1,203.08

Finding the Fourth Proportional to 2,197.82, 3,032.99 and 1,203.08

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Solution

The fourth proportional to 2,197.82, 3,032.99 and 1,203.08 is: 1,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.82 : 3,032.99 = 1,203.08 : x
  2. Step 2: Convert to fraction form
    2,197.82/3,032.99 = 1,203.08/x
  3. Step 3: Cross multiply
    2,197.82x = 3,032.99 × 1,203.08
  4. Step 4: Simplify right side
    2,197.82x = 3,648,931.18
  5. Step 5: Solve for x
    x = 3,648,931.18/2,197.82
  6. Step 6: Final answer
    x = 1,660.25

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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.