Home / 3,590.36-4,954.88-1,997.18

Finding the Fourth Proportional to 3,590.36, 4,954.88 and 1,997.18

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Solution

The fourth proportional to 3,590.36, 4,954.88 and 1,997.18 is: 2,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.36 : 4,954.88 = 1,997.18 : x
  2. Step 2: Convert to fraction form
    3,590.36/4,954.88 = 1,997.18/x
  3. Step 3: Cross multiply
    3,590.36x = 4,954.88 × 1,997.18
  4. Step 4: Simplify right side
    3,590.36x = 9,895,787.24
  5. Step 5: Solve for x
    x = 9,895,787.24/3,590.36
  6. Step 6: Final answer
    x = 2,756.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.