Home / 2,647.36-3,974.69-1,349.74

Finding the Fourth Proportional to 2,647.36, 3,974.69 and 1,349.74

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Solution

The fourth proportional to 2,647.36, 3,974.69 and 1,349.74 is: 2,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.36 : 3,974.69 = 1,349.74 : x
  2. Step 2: Convert to fraction form
    2,647.36/3,974.69 = 1,349.74/x
  3. Step 3: Cross multiply
    2,647.36x = 3,974.69 × 1,349.74
  4. Step 4: Simplify right side
    2,647.36x = 5,364,798.08
  5. Step 5: Solve for x
    x = 5,364,798.08/2,647.36
  6. Step 6: Final answer
    x = 2,026.47

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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.