Home / 2,184.36-3,013.74-1,252.68

Finding the Fourth Proportional to 2,184.36, 3,013.74 and 1,252.68

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Solution

The fourth proportional to 2,184.36, 3,013.74 and 1,252.68 is: 1,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.36 : 3,013.74 = 1,252.68 : x
  2. Step 2: Convert to fraction form
    2,184.36/3,013.74 = 1,252.68/x
  3. Step 3: Cross multiply
    2,184.36x = 3,013.74 × 1,252.68
  4. Step 4: Simplify right side
    2,184.36x = 3,775,251.82
  5. Step 5: Solve for x
    x = 3,775,251.82/2,184.36
  6. Step 6: Final answer
    x = 1,728.31

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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.