Home / 3,315.66-4,992.78-2,397.48

Finding the Fourth Proportional to 3,315.66, 4,992.78 and 2,397.48

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Solution

The fourth proportional to 3,315.66, 4,992.78 and 2,397.48 is: 3,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.66 : 4,992.78 = 2,397.48 : x
  2. Step 2: Convert to fraction form
    3,315.66/4,992.78 = 2,397.48/x
  3. Step 3: Cross multiply
    3,315.66x = 4,992.78 × 2,397.48
  4. Step 4: Simplify right side
    3,315.66x = 11,970,090.19
  5. Step 5: Solve for x
    x = 11,970,090.19/3,315.66
  6. Step 6: Final answer
    x = 3,610.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.