Home / 2,318.82-3,461.36-2,147.51

Finding the Fourth Proportional to 2,318.82, 3,461.36 and 2,147.51

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Solution

The fourth proportional to 2,318.82, 3,461.36 and 2,147.51 is: 3,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.82 : 3,461.36 = 2,147.51 : x
  2. Step 2: Convert to fraction form
    2,318.82/3,461.36 = 2,147.51/x
  3. Step 3: Cross multiply
    2,318.82x = 3,461.36 × 2,147.51
  4. Step 4: Simplify right side
    2,318.82x = 7,433,287.91
  5. Step 5: Solve for x
    x = 7,433,287.91/2,318.82
  6. Step 6: Final answer
    x = 3,205.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.