Home / 2,266.36-3,127.88-1,382.36

Finding the Fourth Proportional to 2,266.36, 3,127.88 and 1,382.36

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Solution

The fourth proportional to 2,266.36, 3,127.88 and 1,382.36 is: 1,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.36 : 3,127.88 = 1,382.36 : x
  2. Step 2: Convert to fraction form
    2,266.36/3,127.88 = 1,382.36/x
  3. Step 3: Cross multiply
    2,266.36x = 3,127.88 × 1,382.36
  4. Step 4: Simplify right side
    2,266.36x = 4,323,856.20
  5. Step 5: Solve for x
    x = 4,323,856.20/2,266.36
  6. Step 6: Final answer
    x = 1,907.84

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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.