Home / 2,837.34-3,919.32-2,312.46

Finding the Fourth Proportional to 2,837.34, 3,919.32 and 2,312.46

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Solution

The fourth proportional to 2,837.34, 3,919.32 and 2,312.46 is: 3,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.34 : 3,919.32 = 2,312.46 : x
  2. Step 2: Convert to fraction form
    2,837.34/3,919.32 = 2,312.46/x
  3. Step 3: Cross multiply
    2,837.34x = 3,919.32 × 2,312.46
  4. Step 4: Simplify right side
    2,837.34x = 9,063,270.73
  5. Step 5: Solve for x
    x = 9,063,270.73/2,837.34
  6. Step 6: Final answer
    x = 3,194.28

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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.