Home / 3,590.88-5,385.12-2,204.16

Finding the Fourth Proportional to 3,590.88, 5,385.12 and 2,204.16

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Solution

The fourth proportional to 3,590.88, 5,385.12 and 2,204.16 is: 3,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.88 : 5,385.12 = 2,204.16 : x
  2. Step 2: Convert to fraction form
    3,590.88/5,385.12 = 2,204.16/x
  3. Step 3: Cross multiply
    3,590.88x = 5,385.12 × 2,204.16
  4. Step 4: Simplify right side
    3,590.88x = 11,869,666.10
  5. Step 5: Solve for x
    x = 11,869,666.10/3,590.88
  6. Step 6: Final answer
    x = 3,305.50

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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.