Home / 2,425.05-3,634.74-1,125

Finding the Fourth Proportional to 2,425.05, 3,634.74 and 1,125

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Solution

The fourth proportional to 2,425.05, 3,634.74 and 1,125 is: 1,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.05 : 3,634.74 = 1,125 : x
  2. Step 2: Convert to fraction form
    2,425.05/3,634.74 = 1,125/x
  3. Step 3: Cross multiply
    2,425.05x = 3,634.74 × 1,125
  4. Step 4: Simplify right side
    2,425.05x = 4,089,082.50
  5. Step 5: Solve for x
    x = 4,089,082.50/2,425.05
  6. Step 6: Final answer
    x = 1,686.18

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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.