Home / 2,325.18-3,489.87-2,078.01

Finding the Fourth Proportional to 2,325.18, 3,489.87 and 2,078.01

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Solution

The fourth proportional to 2,325.18, 3,489.87 and 2,078.01 is: 3,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.18 : 3,489.87 = 2,078.01 : x
  2. Step 2: Convert to fraction form
    2,325.18/3,489.87 = 2,078.01/x
  3. Step 3: Cross multiply
    2,325.18x = 3,489.87 × 2,078.01
  4. Step 4: Simplify right side
    2,325.18x = 7,251,984.76
  5. Step 5: Solve for x
    x = 7,251,984.76/2,325.18
  6. Step 6: Final answer
    x = 3,118.89

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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.