Home / 3,652.06-5,478.09-1,019.57

Finding the Fourth Proportional to 3,652.06, 5,478.09 and 1,019.57

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Solution

The fourth proportional to 3,652.06, 5,478.09 and 1,019.57 is: 1,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.06 : 5,478.09 = 1,019.57 : x
  2. Step 2: Convert to fraction form
    3,652.06/5,478.09 = 1,019.57/x
  3. Step 3: Cross multiply
    3,652.06x = 5,478.09 × 1,019.57
  4. Step 4: Simplify right side
    3,652.06x = 5,585,296.22
  5. Step 5: Solve for x
    x = 5,585,296.22/3,652.06
  6. Step 6: Final answer
    x = 1,529.36

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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.