Home / 3,748.68-5,622.12-1,283.40

Finding the Fourth Proportional to 3,748.68, 5,622.12 and 1,283.40

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Solution

The fourth proportional to 3,748.68, 5,622.12 and 1,283.40 is: 1,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.68 : 5,622.12 = 1,283.40 : x
  2. Step 2: Convert to fraction form
    3,748.68/5,622.12 = 1,283.40/x
  3. Step 3: Cross multiply
    3,748.68x = 5,622.12 × 1,283.40
  4. Step 4: Simplify right side
    3,748.68x = 7,215,428.81
  5. Step 5: Solve for x
    x = 7,215,428.81/3,748.68
  6. Step 6: Final answer
    x = 1,924.79

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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.