Home / 3,280.64-4,917.71-1,526.18

Finding the Fourth Proportional to 3,280.64, 4,917.71 and 1,526.18

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Solution

The fourth proportional to 3,280.64, 4,917.71 and 1,526.18 is: 2,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.64 : 4,917.71 = 1,526.18 : x
  2. Step 2: Convert to fraction form
    3,280.64/4,917.71 = 1,526.18/x
  3. Step 3: Cross multiply
    3,280.64x = 4,917.71 × 1,526.18
  4. Step 4: Simplify right side
    3,280.64x = 7,505,289.87
  5. Step 5: Solve for x
    x = 7,505,289.87/3,280.64
  6. Step 6: Final answer
    x = 2,287.76

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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.