Home / 2,647.95-3,961.67-2,274.81

Finding the Fourth Proportional to 2,647.95, 3,961.67 and 2,274.81

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Solution

The fourth proportional to 2,647.95, 3,961.67 and 2,274.81 is: 3,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.95 : 3,961.67 = 2,274.81 : x
  2. Step 2: Convert to fraction form
    2,647.95/3,961.67 = 2,274.81/x
  3. Step 3: Cross multiply
    2,647.95x = 3,961.67 × 2,274.81
  4. Step 4: Simplify right side
    2,647.95x = 9,012,035.16
  5. Step 5: Solve for x
    x = 9,012,035.16/2,647.95
  6. Step 6: Final answer
    x = 3,403.40

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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.