Home / 4,072.50-6,108.81-1,299.17

Finding the Fourth Proportional to 4,072.50, 6,108.81 and 1,299.17

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Solution

The fourth proportional to 4,072.50, 6,108.81 and 1,299.17 is: 1,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.50 : 6,108.81 = 1,299.17 : x
  2. Step 2: Convert to fraction form
    4,072.50/6,108.81 = 1,299.17/x
  3. Step 3: Cross multiply
    4,072.50x = 6,108.81 × 1,299.17
  4. Step 4: Simplify right side
    4,072.50x = 7,936,382.69
  5. Step 5: Solve for x
    x = 7,936,382.69/4,072.50
  6. Step 6: Final answer
    x = 1,948.77

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Double scale
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Similar ratio
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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.