Home / 3,274.18-4,913.32-1,326.38

Finding the Fourth Proportional to 3,274.18, 4,913.32 and 1,326.38

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Solution

The fourth proportional to 3,274.18, 4,913.32 and 1,326.38 is: 1,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.18 : 4,913.32 = 1,326.38 : x
  2. Step 2: Convert to fraction form
    3,274.18/4,913.32 = 1,326.38/x
  3. Step 3: Cross multiply
    3,274.18x = 4,913.32 × 1,326.38
  4. Step 4: Simplify right side
    3,274.18x = 6,516,938.35
  5. Step 5: Solve for x
    x = 6,516,938.35/3,274.18
  6. Step 6: Final answer
    x = 1,990.40

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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.