Home / 3,508.13-5,263.73-1,660.56

Finding the Fourth Proportional to 3,508.13, 5,263.73 and 1,660.56

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Solution

The fourth proportional to 3,508.13, 5,263.73 and 1,660.56 is: 2,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.13 : 5,263.73 = 1,660.56 : x
  2. Step 2: Convert to fraction form
    3,508.13/5,263.73 = 1,660.56/x
  3. Step 3: Cross multiply
    3,508.13x = 5,263.73 × 1,660.56
  4. Step 4: Simplify right side
    3,508.13x = 8,740,731.19
  5. Step 5: Solve for x
    x = 8,740,731.19/3,508.13
  6. Step 6: Final answer
    x = 2,491.57

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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.