Home / 2,837.61-3,914.01-1,657.89

Finding the Fourth Proportional to 2,837.61, 3,914.01 and 1,657.89

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Solution

The fourth proportional to 2,837.61, 3,914.01 and 1,657.89 is: 2,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.61 : 3,914.01 = 1,657.89 : x
  2. Step 2: Convert to fraction form
    2,837.61/3,914.01 = 1,657.89/x
  3. Step 3: Cross multiply
    2,837.61x = 3,914.01 × 1,657.89
  4. Step 4: Simplify right side
    2,837.61x = 6,488,998.04
  5. Step 5: Solve for x
    x = 6,488,998.04/2,837.61
  6. Step 6: Final answer
    x = 2,286.78

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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.