Home / 2,912.18-4,018.13-1,652.96

Finding the Fourth Proportional to 2,912.18, 4,018.13 and 1,652.96

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Solution

The fourth proportional to 2,912.18, 4,018.13 and 1,652.96 is: 2,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.18 : 4,018.13 = 1,652.96 : x
  2. Step 2: Convert to fraction form
    2,912.18/4,018.13 = 1,652.96/x
  3. Step 3: Cross multiply
    2,912.18x = 4,018.13 × 1,652.96
  4. Step 4: Simplify right side
    2,912.18x = 6,641,809.95
  5. Step 5: Solve for x
    x = 6,641,809.95/2,912.18
  6. Step 6: Final answer
    x = 2,280.70

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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.