Home / 2,912.12-4,018.04-1,652.89

Finding the Fourth Proportional to 2,912.12, 4,018.04 and 1,652.89

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Solution

The fourth proportional to 2,912.12, 4,018.04 and 1,652.89 is: 2,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.12 : 4,018.04 = 1,652.89 : x
  2. Step 2: Convert to fraction form
    2,912.12/4,018.04 = 1,652.89/x
  3. Step 3: Cross multiply
    2,912.12x = 4,018.04 × 1,652.89
  4. Step 4: Simplify right side
    2,912.12x = 6,641,378.14
  5. Step 5: Solve for x
    x = 6,641,378.14/2,912.12
  6. Step 6: Final answer
    x = 2,280.60

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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.