Home / 3,645.80-5,030.82-2,073.64

Finding the Fourth Proportional to 3,645.80, 5,030.82 and 2,073.64

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Solution

The fourth proportional to 3,645.80, 5,030.82 and 2,073.64 is: 2,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.80 : 5,030.82 = 2,073.64 : x
  2. Step 2: Convert to fraction form
    3,645.80/5,030.82 = 2,073.64/x
  3. Step 3: Cross multiply
    3,645.80x = 5,030.82 × 2,073.64
  4. Step 4: Simplify right side
    3,645.80x = 10,432,109.58
  5. Step 5: Solve for x
    x = 10,432,109.58/3,645.80
  6. Step 6: Final answer
    x = 2,861.40

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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.