Home / 1,552.22-2,140.62-1,197.59

Finding the Fourth Proportional to 1,552.22, 2,140.62 and 1,197.59

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Solution

The fourth proportional to 1,552.22, 2,140.62 and 1,197.59 is: 1,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.22 : 2,140.62 = 1,197.59 : x
  2. Step 2: Convert to fraction form
    1,552.22/2,140.62 = 1,197.59/x
  3. Step 3: Cross multiply
    1,552.22x = 2,140.62 × 1,197.59
  4. Step 4: Simplify right side
    1,552.22x = 2,563,568.41
  5. Step 5: Solve for x
    x = 2,563,568.41/1,552.22
  6. Step 6: Final answer
    x = 1,651.55

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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.