Home / 2,157.08-3,233.46-1,059.80

Finding the Fourth Proportional to 2,157.08, 3,233.46 and 1,059.80

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Solution

The fourth proportional to 2,157.08, 3,233.46 and 1,059.80 is: 1,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.08 : 3,233.46 = 1,059.80 : x
  2. Step 2: Convert to fraction form
    2,157.08/3,233.46 = 1,059.80/x
  3. Step 3: Cross multiply
    2,157.08x = 3,233.46 × 1,059.80
  4. Step 4: Simplify right side
    2,157.08x = 3,426,820.91
  5. Step 5: Solve for x
    x = 3,426,820.91/2,157.08
  6. Step 6: Final answer
    x = 1,588.64

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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.