Home / 2,068.32-3,102.98-1,028.81

Finding the Fourth Proportional to 2,068.32, 3,102.98 and 1,028.81

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Solution

The fourth proportional to 2,068.32, 3,102.98 and 1,028.81 is: 1,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.32 : 3,102.98 = 1,028.81 : x
  2. Step 2: Convert to fraction form
    2,068.32/3,102.98 = 1,028.81/x
  3. Step 3: Cross multiply
    2,068.32x = 3,102.98 × 1,028.81
  4. Step 4: Simplify right side
    2,068.32x = 3,192,376.85
  5. Step 5: Solve for x
    x = 3,192,376.85/2,068.32
  6. Step 6: Final answer
    x = 1,543.46

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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.