Home / 3,520.92-5,281.32-1,055.76

Finding the Fourth Proportional to 3,520.92, 5,281.32 and 1,055.76

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Solution

The fourth proportional to 3,520.92, 5,281.32 and 1,055.76 is: 1,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.92 : 5,281.32 = 1,055.76 : x
  2. Step 2: Convert to fraction form
    3,520.92/5,281.32 = 1,055.76/x
  3. Step 3: Cross multiply
    3,520.92x = 5,281.32 × 1,055.76
  4. Step 4: Simplify right side
    3,520.92x = 5,575,806.40
  5. Step 5: Solve for x
    x = 5,575,806.40/3,520.92
  6. Step 6: Final answer
    x = 1,583.62

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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.