Home / 3,401.52-4,694.34-1,889.16

Finding the Fourth Proportional to 3,401.52, 4,694.34 and 1,889.16

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Solution

The fourth proportional to 3,401.52, 4,694.34 and 1,889.16 is: 2,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.52 : 4,694.34 = 1,889.16 : x
  2. Step 2: Convert to fraction form
    3,401.52/4,694.34 = 1,889.16/x
  3. Step 3: Cross multiply
    3,401.52x = 4,694.34 × 1,889.16
  4. Step 4: Simplify right side
    3,401.52x = 8,868,359.35
  5. Step 5: Solve for x
    x = 8,868,359.35/3,401.52
  6. Step 6: Final answer
    x = 2,607.18

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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.