Home / 2,250.59-3,102.80-1,577.50

Finding the Fourth Proportional to 2,250.59, 3,102.80 and 1,577.50

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Solution

The fourth proportional to 2,250.59, 3,102.80 and 1,577.50 is: 2,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.59 : 3,102.80 = 1,577.50 : x
  2. Step 2: Convert to fraction form
    2,250.59/3,102.80 = 1,577.50/x
  3. Step 3: Cross multiply
    2,250.59x = 3,102.80 × 1,577.50
  4. Step 4: Simplify right side
    2,250.59x = 4,894,651.36
  5. Step 5: Solve for x
    x = 4,894,651.36/2,250.59
  6. Step 6: Final answer
    x = 2,174.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.