Home / 3,585.02-5,379.06-1,939.64

Finding the Fourth Proportional to 3,585.02, 5,379.06 and 1,939.64

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Solution

The fourth proportional to 3,585.02, 5,379.06 and 1,939.64 is: 2,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.02 : 5,379.06 = 1,939.64 : x
  2. Step 2: Convert to fraction form
    3,585.02/5,379.06 = 1,939.64/x
  3. Step 3: Cross multiply
    3,585.02x = 5,379.06 × 1,939.64
  4. Step 4: Simplify right side
    3,585.02x = 10,433,439.94
  5. Step 5: Solve for x
    x = 10,433,439.94/3,585.02
  6. Step 6: Final answer
    x = 2,910.29

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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.