Home / 3,203.13-4,422.95-3,040.05

Finding the Fourth Proportional to 3,203.13, 4,422.95 and 3,040.05

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Solution

The fourth proportional to 3,203.13, 4,422.95 and 3,040.05 is: 4,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.13 : 4,422.95 = 3,040.05 : x
  2. Step 2: Convert to fraction form
    3,203.13/4,422.95 = 3,040.05/x
  3. Step 3: Cross multiply
    3,203.13x = 4,422.95 × 3,040.05
  4. Step 4: Simplify right side
    3,203.13x = 13,445,973.95
  5. Step 5: Solve for x
    x = 13,445,973.95/3,203.13
  6. Step 6: Final answer
    x = 4,197.76

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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.