Home / 2,698.08-4,044.64-1,971.24

Finding the Fourth Proportional to 2,698.08, 4,044.64 and 1,971.24

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Solution

The fourth proportional to 2,698.08, 4,044.64 and 1,971.24 is: 2,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.08 : 4,044.64 = 1,971.24 : x
  2. Step 2: Convert to fraction form
    2,698.08/4,044.64 = 1,971.24/x
  3. Step 3: Cross multiply
    2,698.08x = 4,044.64 × 1,971.24
  4. Step 4: Simplify right side
    2,698.08x = 7,972,956.15
  5. Step 5: Solve for x
    x = 7,972,956.15/2,698.08
  6. Step 6: Final answer
    x = 2,955.05

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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.