Home / 2,265.75-3,126.74-1,322.19

Finding the Fourth Proportional to 2,265.75, 3,126.74 and 1,322.19

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Solution

The fourth proportional to 2,265.75, 3,126.74 and 1,322.19 is: 1,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.75 : 3,126.74 = 1,322.19 : x
  2. Step 2: Convert to fraction form
    2,265.75/3,126.74 = 1,322.19/x
  3. Step 3: Cross multiply
    2,265.75x = 3,126.74 × 1,322.19
  4. Step 4: Simplify right side
    2,265.75x = 4,134,157.70
  5. Step 5: Solve for x
    x = 4,134,157.70/2,265.75
  6. Step 6: Final answer
    x = 1,824.63

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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.