Home / 2,917.24-4,370.78-2,631.72

Finding the Fourth Proportional to 2,917.24, 4,370.78 and 2,631.72

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Solution

The fourth proportional to 2,917.24, 4,370.78 and 2,631.72 is: 3,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.24 : 4,370.78 = 2,631.72 : x
  2. Step 2: Convert to fraction form
    2,917.24/4,370.78 = 2,631.72/x
  3. Step 3: Cross multiply
    2,917.24x = 4,370.78 × 2,631.72
  4. Step 4: Simplify right side
    2,917.24x = 11,502,669.14
  5. Step 5: Solve for x
    x = 11,502,669.14/2,917.24
  6. Step 6: Final answer
    x = 3,943.00

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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.