Home / 2,921.08-4,031.09-1,873.14

Finding the Fourth Proportional to 2,921.08, 4,031.09 and 1,873.14

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Solution

The fourth proportional to 2,921.08, 4,031.09 and 1,873.14 is: 2,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.08 : 4,031.09 = 1,873.14 : x
  2. Step 2: Convert to fraction form
    2,921.08/4,031.09 = 1,873.14/x
  3. Step 3: Cross multiply
    2,921.08x = 4,031.09 × 1,873.14
  4. Step 4: Simplify right side
    2,921.08x = 7,550,795.92
  5. Step 5: Solve for x
    x = 7,550,795.92/2,921.08
  6. Step 6: Final answer
    x = 2,584.93

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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.