Home / 3,098.98-4,274.70-1,839.19

Finding the Fourth Proportional to 3,098.98, 4,274.70 and 1,839.19

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Solution

The fourth proportional to 3,098.98, 4,274.70 and 1,839.19 is: 2,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.98 : 4,274.70 = 1,839.19 : x
  2. Step 2: Convert to fraction form
    3,098.98/4,274.70 = 1,839.19/x
  3. Step 3: Cross multiply
    3,098.98x = 4,274.70 × 1,839.19
  4. Step 4: Simplify right side
    3,098.98x = 7,861,985.49
  5. Step 5: Solve for x
    x = 7,861,985.49/3,098.98
  6. Step 6: Final answer
    x = 2,536.96

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Double scale
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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.