Home / 3,040.63-4,196.07-1,643.38

Finding the Fourth Proportional to 3,040.63, 4,196.07 and 1,643.38

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Solution

The fourth proportional to 3,040.63, 4,196.07 and 1,643.38 is: 2,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.63 : 4,196.07 = 1,643.38 : x
  2. Step 2: Convert to fraction form
    3,040.63/4,196.07 = 1,643.38/x
  3. Step 3: Cross multiply
    3,040.63x = 4,196.07 × 1,643.38
  4. Step 4: Simplify right side
    3,040.63x = 6,895,737.52
  5. Step 5: Solve for x
    x = 6,895,737.52/3,040.63
  6. Step 6: Final answer
    x = 2,267.86

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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.