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Finding the Fourth Proportional to 2,068.38, 3,101.95 and 607.18

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Solution

The fourth proportional to 2,068.38, 3,101.95 and 607.18 is: 910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.38 : 3,101.95 = 607.18 : x
  2. Step 2: Convert to fraction form
    2,068.38/3,101.95 = 607.18/x
  3. Step 3: Cross multiply
    2,068.38x = 3,101.95 × 607.18
  4. Step 4: Simplify right side
    2,068.38x = 1,883,442.00
  5. Step 5: Solve for x
    x = 1,883,442.00/2,068.38
  6. Step 6: Final answer
    x = 910.59

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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.