Home / 2,150.10-3,225.15-998.10

Finding the Fourth Proportional to 2,150.10, 3,225.15 and 998.10

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Solution

The fourth proportional to 2,150.10, 3,225.15 and 998.10 is: 1,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.10 : 3,225.15 = 998.10 : x
  2. Step 2: Convert to fraction form
    2,150.10/3,225.15 = 998.10/x
  3. Step 3: Cross multiply
    2,150.10x = 3,225.15 × 998.10
  4. Step 4: Simplify right side
    2,150.10x = 3,219,022.22
  5. Step 5: Solve for x
    x = 3,219,022.22/2,150.10
  6. Step 6: Final answer
    x = 1,497.15

Related Problems

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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.