Home / 3,345.70-5,013.15-2,110.90

Finding the Fourth Proportional to 3,345.70, 5,013.15 and 2,110.90

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Solution

The fourth proportional to 3,345.70, 5,013.15 and 2,110.90 is: 3,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.70 : 5,013.15 = 2,110.90 : x
  2. Step 2: Convert to fraction form
    3,345.70/5,013.15 = 2,110.90/x
  3. Step 3: Cross multiply
    3,345.70x = 5,013.15 × 2,110.90
  4. Step 4: Simplify right side
    3,345.70x = 10,582,258.34
  5. Step 5: Solve for x
    x = 10,582,258.34/3,345.70
  6. Step 6: Final answer
    x = 3,162.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.