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Finding the Fourth Proportional to 3,703.79, 5,110.76 and 2,447.28

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Solution

The fourth proportional to 3,703.79, 5,110.76 and 2,447.28 is: 3,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.79 : 5,110.76 = 2,447.28 : x
  2. Step 2: Convert to fraction form
    3,703.79/5,110.76 = 2,447.28/x
  3. Step 3: Cross multiply
    3,703.79x = 5,110.76 × 2,447.28
  4. Step 4: Simplify right side
    3,703.79x = 12,507,466.85
  5. Step 5: Solve for x
    x = 12,507,466.85/3,703.79
  6. Step 6: Final answer
    x = 3,376.94

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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.