Home / 3,274.98-4,519.71-1,948.74

Finding the Fourth Proportional to 3,274.98, 4,519.71 and 1,948.74

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Solution

The fourth proportional to 3,274.98, 4,519.71 and 1,948.74 is: 2,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.98 : 4,519.71 = 1,948.74 : x
  2. Step 2: Convert to fraction form
    3,274.98/4,519.71 = 1,948.74/x
  3. Step 3: Cross multiply
    3,274.98x = 4,519.71 × 1,948.74
  4. Step 4: Simplify right side
    3,274.98x = 8,807,739.67
  5. Step 5: Solve for x
    x = 8,807,739.67/3,274.98
  6. Step 6: Final answer
    x = 2,689.40

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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.