Home / 2,838.08-4,258.20-1,298

Finding the Fourth Proportional to 2,838.08, 4,258.20 and 1,298

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Solution

The fourth proportional to 2,838.08, 4,258.20 and 1,298 is: 1,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.08 : 4,258.20 = 1,298 : x
  2. Step 2: Convert to fraction form
    2,838.08/4,258.20 = 1,298/x
  3. Step 3: Cross multiply
    2,838.08x = 4,258.20 × 1,298
  4. Step 4: Simplify right side
    2,838.08x = 5,527,143.60
  5. Step 5: Solve for x
    x = 5,527,143.60/2,838.08
  6. Step 6: Final answer
    x = 1,947.49

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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.