Home / 3,538.50-5,305.70-1,072.58

Finding the Fourth Proportional to 3,538.50, 5,305.70 and 1,072.58

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Solution

The fourth proportional to 3,538.50, 5,305.70 and 1,072.58 is: 1,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.50 : 5,305.70 = 1,072.58 : x
  2. Step 2: Convert to fraction form
    3,538.50/5,305.70 = 1,072.58/x
  3. Step 3: Cross multiply
    3,538.50x = 5,305.70 × 1,072.58
  4. Step 4: Simplify right side
    3,538.50x = 5,690,787.71
  5. Step 5: Solve for x
    x = 5,690,787.71/3,538.50
  6. Step 6: Final answer
    x = 1,608.25

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Half scale
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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.