Home / 3,099.35-4,277.54-2,154.62

Finding the Fourth Proportional to 3,099.35, 4,277.54 and 2,154.62

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Solution

The fourth proportional to 3,099.35, 4,277.54 and 2,154.62 is: 2,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.35 : 4,277.54 = 2,154.62 : x
  2. Step 2: Convert to fraction form
    3,099.35/4,277.54 = 2,154.62/x
  3. Step 3: Cross multiply
    3,099.35x = 4,277.54 × 2,154.62
  4. Step 4: Simplify right side
    3,099.35x = 9,216,489.32
  5. Step 5: Solve for x
    x = 9,216,489.32/3,099.35
  6. Step 6: Final answer
    x = 2,973.68

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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.