Home / 2,055.75-3,085.04-1,781.57

Finding the Fourth Proportional to 2,055.75, 3,085.04 and 1,781.57

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Solution

The fourth proportional to 2,055.75, 3,085.04 and 1,781.57 is: 2,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.75 : 3,085.04 = 1,781.57 : x
  2. Step 2: Convert to fraction form
    2,055.75/3,085.04 = 1,781.57/x
  3. Step 3: Cross multiply
    2,055.75x = 3,085.04 × 1,781.57
  4. Step 4: Simplify right side
    2,055.75x = 5,496,203.74
  5. Step 5: Solve for x
    x = 5,496,203.74/2,055.75
  6. Step 6: Final answer
    x = 2,673.58

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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.