Home / 2,912.08-4,018.36-1,652.74

Finding the Fourth Proportional to 2,912.08, 4,018.36 and 1,652.74

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Solution

The fourth proportional to 2,912.08, 4,018.36 and 1,652.74 is: 2,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.08 : 4,018.36 = 1,652.74 : x
  2. Step 2: Convert to fraction form
    2,912.08/4,018.36 = 1,652.74/x
  3. Step 3: Cross multiply
    2,912.08x = 4,018.36 × 1,652.74
  4. Step 4: Simplify right side
    2,912.08x = 6,641,304.31
  5. Step 5: Solve for x
    x = 6,641,304.31/2,912.08
  6. Step 6: Final answer
    x = 2,280.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.