Home / 3,427.61-4,730.07-1,855.69

Finding the Fourth Proportional to 3,427.61, 4,730.07 and 1,855.69

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Solution

The fourth proportional to 3,427.61, 4,730.07 and 1,855.69 is: 2,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.61 : 4,730.07 = 1,855.69 : x
  2. Step 2: Convert to fraction form
    3,427.61/4,730.07 = 1,855.69/x
  3. Step 3: Cross multiply
    3,427.61x = 4,730.07 × 1,855.69
  4. Step 4: Simplify right side
    3,427.61x = 8,777,538.73
  5. Step 5: Solve for x
    x = 8,777,538.73/3,427.61
  6. Step 6: Final answer
    x = 2,560.84

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.