Home / 3,203.34-4,420.61-1,806.09

Finding the Fourth Proportional to 3,203.34, 4,420.61 and 1,806.09

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Solution

The fourth proportional to 3,203.34, 4,420.61 and 1,806.09 is: 2,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.34 : 4,420.61 = 1,806.09 : x
  2. Step 2: Convert to fraction form
    3,203.34/4,420.61 = 1,806.09/x
  3. Step 3: Cross multiply
    3,203.34x = 4,420.61 × 1,806.09
  4. Step 4: Simplify right side
    3,203.34x = 7,984,019.51
  5. Step 5: Solve for x
    x = 7,984,019.51/3,203.34
  6. Step 6: Final answer
    x = 2,492.40

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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.