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Finding the Fourth Proportional to 2,068.02, 3,102.14 and 607.29

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Solution

The fourth proportional to 2,068.02, 3,102.14 and 607.29 is: 910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.02 : 3,102.14 = 607.29 : x
  2. Step 2: Convert to fraction form
    2,068.02/3,102.14 = 607.29/x
  3. Step 3: Cross multiply
    2,068.02x = 3,102.14 × 607.29
  4. Step 4: Simplify right side
    2,068.02x = 1,883,898.60
  5. Step 5: Solve for x
    x = 1,883,898.60/2,068.02
  6. Step 6: Final answer
    x = 910.97

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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.