Home / 4,054.30-6,081.79-1,280.23

Finding the Fourth Proportional to 4,054.30, 6,081.79 and 1,280.23

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Solution

The fourth proportional to 4,054.30, 6,081.79 and 1,280.23 is: 1,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.30 : 6,081.79 = 1,280.23 : x
  2. Step 2: Convert to fraction form
    4,054.30/6,081.79 = 1,280.23/x
  3. Step 3: Cross multiply
    4,054.30x = 6,081.79 × 1,280.23
  4. Step 4: Simplify right side
    4,054.30x = 7,786,059.60
  5. Step 5: Solve for x
    x = 7,786,059.60/4,054.30
  6. Step 6: Final answer
    x = 1,920.45

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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.