Home / 2,068.80-3,102.30-607.65

Finding the Fourth Proportional to 2,068.80, 3,102.30 and 607.65

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Solution

The fourth proportional to 2,068.80, 3,102.30 and 607.65 is: 911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.80 : 3,102.30 = 607.65 : x
  2. Step 2: Convert to fraction form
    2,068.80/3,102.30 = 607.65/x
  3. Step 3: Cross multiply
    2,068.80x = 3,102.30 × 607.65
  4. Step 4: Simplify right side
    2,068.80x = 1,885,112.60
  5. Step 5: Solve for x
    x = 1,885,112.60/2,068.80
  6. Step 6: Final answer
    x = 911.21

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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.