Home / 2,647.16-3,972.98-1,088

Finding the Fourth Proportional to 2,647.16, 3,972.98 and 1,088

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Solution

The fourth proportional to 2,647.16, 3,972.98 and 1,088 is: 1,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.16 : 3,972.98 = 1,088 : x
  2. Step 2: Convert to fraction form
    2,647.16/3,972.98 = 1,088/x
  3. Step 3: Cross multiply
    2,647.16x = 3,972.98 × 1,088
  4. Step 4: Simplify right side
    2,647.16x = 4,322,602.24
  5. Step 5: Solve for x
    x = 4,322,602.24/2,647.16
  6. Step 6: Final answer
    x = 1,632.92

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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.