Home / 3,203.19-4,420.43-1,805.94

Finding the Fourth Proportional to 3,203.19, 4,420.43 and 1,805.94

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Solution

The fourth proportional to 3,203.19, 4,420.43 and 1,805.94 is: 2,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.19 : 4,420.43 = 1,805.94 : x
  2. Step 2: Convert to fraction form
    3,203.19/4,420.43 = 1,805.94/x
  3. Step 3: Cross multiply
    3,203.19x = 4,420.43 × 1,805.94
  4. Step 4: Simplify right side
    3,203.19x = 7,983,031.35
  5. Step 5: Solve for x
    x = 7,983,031.35/3,203.19
  6. Step 6: Final answer
    x = 2,492.21

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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.