Home / 2,837.18-3,910.74-2,137.34

Finding the Fourth Proportional to 2,837.18, 3,910.74 and 2,137.34

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Solution

The fourth proportional to 2,837.18, 3,910.74 and 2,137.34 is: 2,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.18 : 3,910.74 = 2,137.34 : x
  2. Step 2: Convert to fraction form
    2,837.18/3,910.74 = 2,137.34/x
  3. Step 3: Cross multiply
    2,837.18x = 3,910.74 × 2,137.34
  4. Step 4: Simplify right side
    2,837.18x = 8,358,581.03
  5. Step 5: Solve for x
    x = 8,358,581.03/2,837.18
  6. Step 6: Final answer
    x = 2,946.09

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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.