Home / 2,838.59-4,258.79-1,539.35

Finding the Fourth Proportional to 2,838.59, 4,258.79 and 1,539.35

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Solution

The fourth proportional to 2,838.59, 4,258.79 and 1,539.35 is: 2,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.59 : 4,258.79 = 1,539.35 : x
  2. Step 2: Convert to fraction form
    2,838.59/4,258.79 = 1,539.35/x
  3. Step 3: Cross multiply
    2,838.59x = 4,258.79 × 1,539.35
  4. Step 4: Simplify right side
    2,838.59x = 6,555,760.69
  5. Step 5: Solve for x
    x = 6,555,760.69/2,838.59
  6. Step 6: Final answer
    x = 2,309.51

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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.