Home / 2,707.25-4,039.93-2,415.65

Finding the Fourth Proportional to 2,707.25, 4,039.93 and 2,415.65

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Solution

The fourth proportional to 2,707.25, 4,039.93 and 2,415.65 is: 3,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.25 : 4,039.93 = 2,415.65 : x
  2. Step 2: Convert to fraction form
    2,707.25/4,039.93 = 2,415.65/x
  3. Step 3: Cross multiply
    2,707.25x = 4,039.93 × 2,415.65
  4. Step 4: Simplify right side
    2,707.25x = 9,759,044.83
  5. Step 5: Solve for x
    x = 9,759,044.83/2,707.25
  6. Step 6: Final answer
    x = 3,604.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.