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Finding the Fourth Proportional to 3,744.79, 5,169.79 and 2,903.60

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Solution

The fourth proportional to 3,744.79, 5,169.79 and 2,903.60 is: 4,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.79 : 5,169.79 = 2,903.60 : x
  2. Step 2: Convert to fraction form
    3,744.79/5,169.79 = 2,903.60/x
  3. Step 3: Cross multiply
    3,744.79x = 5,169.79 × 2,903.60
  4. Step 4: Simplify right side
    3,744.79x = 15,011,002.24
  5. Step 5: Solve for x
    x = 15,011,002.24/3,744.79
  6. Step 6: Final answer
    x = 4,008.50

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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.