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Finding the Fourth Proportional to 3,544.93, 4,892.13 and 1,973.11

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Solution

The fourth proportional to 3,544.93, 4,892.13 and 1,973.11 is: 2,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.93 : 4,892.13 = 1,973.11 : x
  2. Step 2: Convert to fraction form
    3,544.93/4,892.13 = 1,973.11/x
  3. Step 3: Cross multiply
    3,544.93x = 4,892.13 × 1,973.11
  4. Step 4: Simplify right side
    3,544.93x = 9,652,710.62
  5. Step 5: Solve for x
    x = 9,652,710.62/3,544.93
  6. Step 6: Final answer
    x = 2,722.96

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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.