Home / 3,443.13-4,753.81-2,645.03

Finding the Fourth Proportional to 3,443.13, 4,753.81 and 2,645.03

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Solution

The fourth proportional to 3,443.13, 4,753.81 and 2,645.03 is: 3,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.13 : 4,753.81 = 2,645.03 : x
  2. Step 2: Convert to fraction form
    3,443.13/4,753.81 = 2,645.03/x
  3. Step 3: Cross multiply
    3,443.13x = 4,753.81 × 2,645.03
  4. Step 4: Simplify right side
    3,443.13x = 12,573,975.34
  5. Step 5: Solve for x
    x = 12,573,975.34/3,443.13
  6. Step 6: Final answer
    x = 3,651.90

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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.