Home / 2,157.03-3,232.35-1,232.87

Finding the Fourth Proportional to 2,157.03, 3,232.35 and 1,232.87

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Solution

The fourth proportional to 2,157.03, 3,232.35 and 1,232.87 is: 1,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.03 : 3,232.35 = 1,232.87 : x
  2. Step 2: Convert to fraction form
    2,157.03/3,232.35 = 1,232.87/x
  3. Step 3: Cross multiply
    2,157.03x = 3,232.35 × 1,232.87
  4. Step 4: Simplify right side
    2,157.03x = 3,985,051.18
  5. Step 5: Solve for x
    x = 3,985,051.18/2,157.03
  6. Step 6: Final answer
    x = 1,847.47

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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.