Home / 2,330.22-3,215.80-1,335.59

Finding the Fourth Proportional to 2,330.22, 3,215.80 and 1,335.59

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Solution

The fourth proportional to 2,330.22, 3,215.80 and 1,335.59 is: 1,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.22 : 3,215.80 = 1,335.59 : x
  2. Step 2: Convert to fraction form
    2,330.22/3,215.80 = 1,335.59/x
  3. Step 3: Cross multiply
    2,330.22x = 3,215.80 × 1,335.59
  4. Step 4: Simplify right side
    2,330.22x = 4,294,987.97
  5. Step 5: Solve for x
    x = 4,294,987.97/2,330.22
  6. Step 6: Final answer
    x = 1,843.17

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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.