Home / 2,266.64-3,127.44-1,335.20

Finding the Fourth Proportional to 2,266.64, 3,127.44 and 1,335.20

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Solution

The fourth proportional to 2,266.64, 3,127.44 and 1,335.20 is: 1,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.64 : 3,127.44 = 1,335.20 : x
  2. Step 2: Convert to fraction form
    2,266.64/3,127.44 = 1,335.20/x
  3. Step 3: Cross multiply
    2,266.64x = 3,127.44 × 1,335.20
  4. Step 4: Simplify right side
    2,266.64x = 4,175,757.89
  5. Step 5: Solve for x
    x = 4,175,757.89/2,266.64
  6. Step 6: Final answer
    x = 1,842.27

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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.