Home / 2,157.25-3,236.54-1,499.80

Finding the Fourth Proportional to 2,157.25, 3,236.54 and 1,499.80

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Solution

The fourth proportional to 2,157.25, 3,236.54 and 1,499.80 is: 2,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.25 : 3,236.54 = 1,499.80 : x
  2. Step 2: Convert to fraction form
    2,157.25/3,236.54 = 1,499.80/x
  3. Step 3: Cross multiply
    2,157.25x = 3,236.54 × 1,499.80
  4. Step 4: Simplify right side
    2,157.25x = 4,854,162.69
  5. Step 5: Solve for x
    x = 4,854,162.69/2,157.25
  6. Step 6: Final answer
    x = 2,250.16

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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.