Home / 3,590.04-5,382.85-1,396.21

Finding the Fourth Proportional to 3,590.04, 5,382.85 and 1,396.21

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Solution

The fourth proportional to 3,590.04, 5,382.85 and 1,396.21 is: 2,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.04 : 5,382.85 = 1,396.21 : x
  2. Step 2: Convert to fraction form
    3,590.04/5,382.85 = 1,396.21/x
  3. Step 3: Cross multiply
    3,590.04x = 5,382.85 × 1,396.21
  4. Step 4: Simplify right side
    3,590.04x = 7,515,589.00
  5. Step 5: Solve for x
    x = 7,515,589.00/3,590.04
  6. Step 6: Final answer
    x = 2,093.46

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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.