Home / 3,599.43-4,967.31-2,107.20

Finding the Fourth Proportional to 3,599.43, 4,967.31 and 2,107.20

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Solution

The fourth proportional to 3,599.43, 4,967.31 and 2,107.20 is: 2,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.43 : 4,967.31 = 2,107.20 : x
  2. Step 2: Convert to fraction form
    3,599.43/4,967.31 = 2,107.20/x
  3. Step 3: Cross multiply
    3,599.43x = 4,967.31 × 2,107.20
  4. Step 4: Simplify right side
    3,599.43x = 10,467,134.26
  5. Step 5: Solve for x
    x = 10,467,134.26/3,599.43
  6. Step 6: Final answer
    x = 2,908.00

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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.