Home / 3,392.24-4,681.38-1,900.15

Finding the Fourth Proportional to 3,392.24, 4,681.38 and 1,900.15

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Solution

The fourth proportional to 3,392.24, 4,681.38 and 1,900.15 is: 2,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.24 : 4,681.38 = 1,900.15 : x
  2. Step 2: Convert to fraction form
    3,392.24/4,681.38 = 1,900.15/x
  3. Step 3: Cross multiply
    3,392.24x = 4,681.38 × 1,900.15
  4. Step 4: Simplify right side
    3,392.24x = 8,895,324.21
  5. Step 5: Solve for x
    x = 8,895,324.21/3,392.24
  6. Step 6: Final answer
    x = 2,622.26

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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.