Home / 2,773.20-4,160.28-1,130.64

Finding the Fourth Proportional to 2,773.20, 4,160.28 and 1,130.64

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Solution

The fourth proportional to 2,773.20, 4,160.28 and 1,130.64 is: 1,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.20 : 4,160.28 = 1,130.64 : x
  2. Step 2: Convert to fraction form
    2,773.20/4,160.28 = 1,130.64/x
  3. Step 3: Cross multiply
    2,773.20x = 4,160.28 × 1,130.64
  4. Step 4: Simplify right side
    2,773.20x = 4,703,778.98
  5. Step 5: Solve for x
    x = 4,703,778.98/2,773.20
  6. Step 6: Final answer
    x = 1,696.16

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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.