Home / 4,192.80-5,789.60-3,080

Finding the Fourth Proportional to 4,192.80, 5,789.60 and 3,080

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Solution

The fourth proportional to 4,192.80, 5,789.60 and 3,080 is: 4,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.80 : 5,789.60 = 3,080 : x
  2. Step 2: Convert to fraction form
    4,192.80/5,789.60 = 3,080/x
  3. Step 3: Cross multiply
    4,192.80x = 5,789.60 × 3,080
  4. Step 4: Simplify right side
    4,192.80x = 17,831,968
  5. Step 5: Solve for x
    x = 17,831,968/4,192.80
  6. Step 6: Final answer
    x = 4,253.00

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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.