Home / 3,098.18-4,274.66-1,838.19

Finding the Fourth Proportional to 3,098.18, 4,274.66 and 1,838.19

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Solution

The fourth proportional to 3,098.18, 4,274.66 and 1,838.19 is: 2,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.18 : 4,274.66 = 1,838.19 : x
  2. Step 2: Convert to fraction form
    3,098.18/4,274.66 = 1,838.19/x
  3. Step 3: Cross multiply
    3,098.18x = 4,274.66 × 1,838.19
  4. Step 4: Simplify right side
    3,098.18x = 7,857,628.07
  5. Step 5: Solve for x
    x = 7,857,628.07/3,098.18
  6. Step 6: Final answer
    x = 2,536.21

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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.