Home / 1,904.39-2,847.20-1,615.12

Finding the Fourth Proportional to 1,904.39, 2,847.20 and 1,615.12

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Solution

The fourth proportional to 1,904.39, 2,847.20 and 1,615.12 is: 2,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.39 : 2,847.20 = 1,615.12 : x
  2. Step 2: Convert to fraction form
    1,904.39/2,847.20 = 1,615.12/x
  3. Step 3: Cross multiply
    1,904.39x = 2,847.20 × 1,615.12
  4. Step 4: Simplify right side
    1,904.39x = 4,598,547.35
  5. Step 5: Solve for x
    x = 4,598,547.35/1,904.39
  6. Step 6: Final answer
    x = 2,414.71

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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.