Home / 3,040.31-4,195.63-1,643.06

Finding the Fourth Proportional to 3,040.31, 4,195.63 and 1,643.06

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Solution

The fourth proportional to 3,040.31, 4,195.63 and 1,643.06 is: 2,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.31 : 4,195.63 = 1,643.06 : x
  2. Step 2: Convert to fraction form
    3,040.31/4,195.63 = 1,643.06/x
  3. Step 3: Cross multiply
    3,040.31x = 4,195.63 × 1,643.06
  4. Step 4: Simplify right side
    3,040.31x = 6,893,684.37
  5. Step 5: Solve for x
    x = 6,893,684.37/3,040.31
  6. Step 6: Final answer
    x = 2,267.43

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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.