Home / 2,197.89-3,032.99-1,314.18

Finding the Fourth Proportional to 2,197.89, 3,032.99 and 1,314.18

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Solution

The fourth proportional to 2,197.89, 3,032.99 and 1,314.18 is: 1,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.89 : 3,032.99 = 1,314.18 : x
  2. Step 2: Convert to fraction form
    2,197.89/3,032.99 = 1,314.18/x
  3. Step 3: Cross multiply
    2,197.89x = 3,032.99 × 1,314.18
  4. Step 4: Simplify right side
    2,197.89x = 3,985,894.80
  5. Step 5: Solve for x
    x = 3,985,894.80/2,197.89
  6. Step 6: Final answer
    x = 1,813.51

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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.