Home / 2,746.92-4,118.42-1,285.28

Finding the Fourth Proportional to 2,746.92, 4,118.42 and 1,285.28

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Solution

The fourth proportional to 2,746.92, 4,118.42 and 1,285.28 is: 1,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.92 : 4,118.42 = 1,285.28 : x
  2. Step 2: Convert to fraction form
    2,746.92/4,118.42 = 1,285.28/x
  3. Step 3: Cross multiply
    2,746.92x = 4,118.42 × 1,285.28
  4. Step 4: Simplify right side
    2,746.92x = 5,293,320.92
  5. Step 5: Solve for x
    x = 5,293,320.92/2,746.92
  6. Step 6: Final answer
    x = 1,927.00

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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.