Home / 2,772.94-4,160.19-1,130.66

Finding the Fourth Proportional to 2,772.94, 4,160.19 and 1,130.66

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Solution

The fourth proportional to 2,772.94, 4,160.19 and 1,130.66 is: 1,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.94 : 4,160.19 = 1,130.66 : x
  2. Step 2: Convert to fraction form
    2,772.94/4,160.19 = 1,130.66/x
  3. Step 3: Cross multiply
    2,772.94x = 4,160.19 × 1,130.66
  4. Step 4: Simplify right side
    2,772.94x = 4,703,760.43
  5. Step 5: Solve for x
    x = 4,703,760.43/2,772.94
  6. Step 6: Final answer
    x = 1,696.31

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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.