Home / 4,120.66-5,684.54-2,703.77

Finding the Fourth Proportional to 4,120.66, 5,684.54 and 2,703.77

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Solution

The fourth proportional to 4,120.66, 5,684.54 and 2,703.77 is: 3,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.66 : 5,684.54 = 2,703.77 : x
  2. Step 2: Convert to fraction form
    4,120.66/5,684.54 = 2,703.77/x
  3. Step 3: Cross multiply
    4,120.66x = 5,684.54 × 2,703.77
  4. Step 4: Simplify right side
    4,120.66x = 15,369,688.72
  5. Step 5: Solve for x
    x = 15,369,688.72/4,120.66
  6. Step 6: Final answer
    x = 3,729.91

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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.