Home / 2,744.90-4,117.36-1,285.08

Finding the Fourth Proportional to 2,744.90, 4,117.36 and 1,285.08

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Solution

The fourth proportional to 2,744.90, 4,117.36 and 1,285.08 is: 1,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.90 : 4,117.36 = 1,285.08 : x
  2. Step 2: Convert to fraction form
    2,744.90/4,117.36 = 1,285.08/x
  3. Step 3: Cross multiply
    2,744.90x = 4,117.36 × 1,285.08
  4. Step 4: Simplify right side
    2,744.90x = 5,291,143.91
  5. Step 5: Solve for x
    x = 5,291,143.91/2,744.90
  6. Step 6: Final answer
    x = 1,927.62

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1.5x scale

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.