Home / 3,042.83-4,199.09-1,645.58

Finding the Fourth Proportional to 3,042.83, 4,199.09 and 1,645.58

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Solution

The fourth proportional to 3,042.83, 4,199.09 and 1,645.58 is: 2,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.83 : 4,199.09 = 1,645.58 : x
  2. Step 2: Convert to fraction form
    3,042.83/4,199.09 = 1,645.58/x
  3. Step 3: Cross multiply
    3,042.83x = 4,199.09 × 1,645.58
  4. Step 4: Simplify right side
    3,042.83x = 6,909,909.30
  5. Step 5: Solve for x
    x = 6,909,909.30/3,042.83
  6. Step 6: Final answer
    x = 2,270.89

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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.