Home / 2,197.84-3,033.12-1,314.58

Finding the Fourth Proportional to 2,197.84, 3,033.12 and 1,314.58

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Solution

The fourth proportional to 2,197.84, 3,033.12 and 1,314.58 is: 1,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.84 : 3,033.12 = 1,314.58 : x
  2. Step 2: Convert to fraction form
    2,197.84/3,033.12 = 1,314.58/x
  3. Step 3: Cross multiply
    2,197.84x = 3,033.12 × 1,314.58
  4. Step 4: Simplify right side
    2,197.84x = 3,987,278.89
  5. Step 5: Solve for x
    x = 3,987,278.89/2,197.84
  6. Step 6: Final answer
    x = 1,814.18

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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.