Home / 3,570.46-4,927.26-1,998.70

Finding the Fourth Proportional to 3,570.46, 4,927.26 and 1,998.70

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Solution

The fourth proportional to 3,570.46, 4,927.26 and 1,998.70 is: 2,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.46 : 4,927.26 = 1,998.70 : x
  2. Step 2: Convert to fraction form
    3,570.46/4,927.26 = 1,998.70/x
  3. Step 3: Cross multiply
    3,570.46x = 4,927.26 × 1,998.70
  4. Step 4: Simplify right side
    3,570.46x = 9,848,114.56
  5. Step 5: Solve for x
    x = 9,848,114.56/3,570.46
  6. Step 6: Final answer
    x = 2,758.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.