Home / 2,647.60-3,972.44-1,088.35

Finding the Fourth Proportional to 2,647.60, 3,972.44 and 1,088.35

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Solution

The fourth proportional to 2,647.60, 3,972.44 and 1,088.35 is: 1,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.60 : 3,972.44 = 1,088.35 : x
  2. Step 2: Convert to fraction form
    2,647.60/3,972.44 = 1,088.35/x
  3. Step 3: Cross multiply
    2,647.60x = 3,972.44 × 1,088.35
  4. Step 4: Simplify right side
    2,647.60x = 4,323,405.07
  5. Step 5: Solve for x
    x = 4,323,405.07/2,647.60
  6. Step 6: Final answer
    x = 1,632.95

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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.