Home / 2,231.01-3,079.08-1,335.03

Finding the Fourth Proportional to 2,231.01, 3,079.08 and 1,335.03

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Solution

The fourth proportional to 2,231.01, 3,079.08 and 1,335.03 is: 1,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.01 : 3,079.08 = 1,335.03 : x
  2. Step 2: Convert to fraction form
    2,231.01/3,079.08 = 1,335.03/x
  3. Step 3: Cross multiply
    2,231.01x = 3,079.08 × 1,335.03
  4. Step 4: Simplify right side
    2,231.01x = 4,110,664.17
  5. Step 5: Solve for x
    x = 4,110,664.17/2,231.01
  6. Step 6: Final answer
    x = 1,842.51

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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.