Home / 3,526.92-5,290.66-929.84

Finding the Fourth Proportional to 3,526.92, 5,290.66 and 929.84

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Solution

The fourth proportional to 3,526.92, 5,290.66 and 929.84 is: 1,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.92 : 5,290.66 = 929.84 : x
  2. Step 2: Convert to fraction form
    3,526.92/5,290.66 = 929.84/x
  3. Step 3: Cross multiply
    3,526.92x = 5,290.66 × 929.84
  4. Step 4: Simplify right side
    3,526.92x = 4,919,467.29
  5. Step 5: Solve for x
    x = 4,919,467.29/3,526.92
  6. Step 6: Final answer
    x = 1,394.83

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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.