Home / 3,203.77-4,420.69-1,806.25

Finding the Fourth Proportional to 3,203.77, 4,420.69 and 1,806.25

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Solution

The fourth proportional to 3,203.77, 4,420.69 and 1,806.25 is: 2,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.77 : 4,420.69 = 1,806.25 : x
  2. Step 2: Convert to fraction form
    3,203.77/4,420.69 = 1,806.25/x
  3. Step 3: Cross multiply
    3,203.77x = 4,420.69 × 1,806.25
  4. Step 4: Simplify right side
    3,203.77x = 7,984,871.31
  5. Step 5: Solve for x
    x = 7,984,871.31/3,203.77
  6. Step 6: Final answer
    x = 2,492.34

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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.