Home / 2,859.94-4,289.57-1,298.30

Finding the Fourth Proportional to 2,859.94, 4,289.57 and 1,298.30

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Solution

The fourth proportional to 2,859.94, 4,289.57 and 1,298.30 is: 1,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.94 : 4,289.57 = 1,298.30 : x
  2. Step 2: Convert to fraction form
    2,859.94/4,289.57 = 1,298.30/x
  3. Step 3: Cross multiply
    2,859.94x = 4,289.57 × 1,298.30
  4. Step 4: Simplify right side
    2,859.94x = 5,569,125.66
  5. Step 5: Solve for x
    x = 5,569,125.66/2,859.94
  6. Step 6: Final answer
    x = 1,947.29

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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.