Home / 3,343.84-5,011.20-1,958.16

Finding the Fourth Proportional to 3,343.84, 5,011.20 and 1,958.16

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Solution

The fourth proportional to 3,343.84, 5,011.20 and 1,958.16 is: 2,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.84 : 5,011.20 = 1,958.16 : x
  2. Step 2: Convert to fraction form
    3,343.84/5,011.20 = 1,958.16/x
  3. Step 3: Cross multiply
    3,343.84x = 5,011.20 × 1,958.16
  4. Step 4: Simplify right side
    3,343.84x = 9,812,731.39
  5. Step 5: Solve for x
    x = 9,812,731.39/3,343.84
  6. Step 6: Final answer
    x = 2,934.57

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1.5x scale

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.