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Finding the Fourth Proportional to 2,068.31, 3,102.48 and 607.49

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Solution

The fourth proportional to 2,068.31, 3,102.48 and 607.49 is: 911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.31 : 3,102.48 = 607.49 : x
  2. Step 2: Convert to fraction form
    2,068.31/3,102.48 = 607.49/x
  3. Step 3: Cross multiply
    2,068.31x = 3,102.48 × 607.49
  4. Step 4: Simplify right side
    2,068.31x = 1,884,725.58
  5. Step 5: Solve for x
    x = 1,884,725.58/2,068.31
  6. Step 6: Final answer
    x = 911.24

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Double scale
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1.5x scale

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.