Home / 3,040.60-4,196.04-1,643.35

Finding the Fourth Proportional to 3,040.60, 4,196.04 and 1,643.35

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Solution

The fourth proportional to 3,040.60, 4,196.04 and 1,643.35 is: 2,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.60 : 4,196.04 = 1,643.35 : x
  2. Step 2: Convert to fraction form
    3,040.60/4,196.04 = 1,643.35/x
  3. Step 3: Cross multiply
    3,040.60x = 4,196.04 × 1,643.35
  4. Step 4: Simplify right side
    3,040.60x = 6,895,566.66
  5. Step 5: Solve for x
    x = 6,895,566.66/3,040.60
  6. Step 6: Final answer
    x = 2,267.83

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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.