Home / 2,555.74-3,525.69-2,223.64

Finding the Fourth Proportional to 2,555.74, 3,525.69 and 2,223.64

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Solution

The fourth proportional to 2,555.74, 3,525.69 and 2,223.64 is: 3,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.74 : 3,525.69 = 2,223.64 : x
  2. Step 2: Convert to fraction form
    2,555.74/3,525.69 = 2,223.64/x
  3. Step 3: Cross multiply
    2,555.74x = 3,525.69 × 2,223.64
  4. Step 4: Simplify right side
    2,555.74x = 7,839,865.31
  5. Step 5: Solve for x
    x = 7,839,865.31/2,555.74
  6. Step 6: Final answer
    x = 3,067.55

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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.