Home / 4,220.00-6,330.84-1,298.19

Finding the Fourth Proportional to 4,220.00, 6,330.84 and 1,298.19

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Solution

The fourth proportional to 4,220.00, 6,330.84 and 1,298.19 is: 1,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.00 : 6,330.84 = 1,298.19 : x
  2. Step 2: Convert to fraction form
    4,220.00/6,330.84 = 1,298.19/x
  3. Step 3: Cross multiply
    4,220.00x = 6,330.84 × 1,298.19
  4. Step 4: Simplify right side
    4,220.00x = 8,218,626.69
  5. Step 5: Solve for x
    x = 8,218,626.69/4,220.00
  6. Step 6: Final answer
    x = 1,947.54

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Half scale
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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.