Home / 2,056.16-3,079.38-1,620.38

Finding the Fourth Proportional to 2,056.16, 3,079.38 and 1,620.38

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Solution

The fourth proportional to 2,056.16, 3,079.38 and 1,620.38 is: 2,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.16 : 3,079.38 = 1,620.38 : x
  2. Step 2: Convert to fraction form
    2,056.16/3,079.38 = 1,620.38/x
  3. Step 3: Cross multiply
    2,056.16x = 3,079.38 × 1,620.38
  4. Step 4: Simplify right side
    2,056.16x = 4,989,765.76
  5. Step 5: Solve for x
    x = 4,989,765.76/2,056.16
  6. Step 6: Final answer
    x = 2,426.74

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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.