Home / 2,329.81-3,215.29-1,335.07

Finding the Fourth Proportional to 2,329.81, 3,215.29 and 1,335.07

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Solution

The fourth proportional to 2,329.81, 3,215.29 and 1,335.07 is: 1,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.81 : 3,215.29 = 1,335.07 : x
  2. Step 2: Convert to fraction form
    2,329.81/3,215.29 = 1,335.07/x
  3. Step 3: Cross multiply
    2,329.81x = 3,215.29 × 1,335.07
  4. Step 4: Simplify right side
    2,329.81x = 4,292,637.22
  5. Step 5: Solve for x
    x = 4,292,637.22/2,329.81
  6. Step 6: Final answer
    x = 1,842.48

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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.