Home / 2,919.11-4,380.01-1,459.22

Finding the Fourth Proportional to 2,919.11, 4,380.01 and 1,459.22

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Solution

The fourth proportional to 2,919.11, 4,380.01 and 1,459.22 is: 2,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.11 : 4,380.01 = 1,459.22 : x
  2. Step 2: Convert to fraction form
    2,919.11/4,380.01 = 1,459.22/x
  3. Step 3: Cross multiply
    2,919.11x = 4,380.01 × 1,459.22
  4. Step 4: Simplify right side
    2,919.11x = 6,391,372.64
  5. Step 5: Solve for x
    x = 6,391,372.64/2,919.11
  6. Step 6: Final answer
    x = 2,189.50

Related Problems

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