Home / 3,080.28-4,250.74-1,838.04

Finding the Fourth Proportional to 3,080.28, 4,250.74 and 1,838.04

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Solution

The fourth proportional to 3,080.28, 4,250.74 and 1,838.04 is: 2,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.28 : 4,250.74 = 1,838.04 : x
  2. Step 2: Convert to fraction form
    3,080.28/4,250.74 = 1,838.04/x
  3. Step 3: Cross multiply
    3,080.28x = 4,250.74 × 1,838.04
  4. Step 4: Simplify right side
    3,080.28x = 7,813,030.15
  5. Step 5: Solve for x
    x = 7,813,030.15/3,080.28
  6. Step 6: Final answer
    x = 2,536.47

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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.