Home / 2,684.86-3,705.19-1,566.54

Finding the Fourth Proportional to 2,684.86, 3,705.19 and 1,566.54

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Solution

The fourth proportional to 2,684.86, 3,705.19 and 1,566.54 is: 2,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.86 : 3,705.19 = 1,566.54 : x
  2. Step 2: Convert to fraction form
    2,684.86/3,705.19 = 1,566.54/x
  3. Step 3: Cross multiply
    2,684.86x = 3,705.19 × 1,566.54
  4. Step 4: Simplify right side
    2,684.86x = 5,804,333.24
  5. Step 5: Solve for x
    x = 5,804,333.24/2,684.86
  6. Step 6: Final answer
    x = 2,161.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.