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Finding the Fourth Proportional to 3,446.70, 4,762.02 and 2,403.42

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Solution

The fourth proportional to 3,446.70, 4,762.02 and 2,403.42 is: 3,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.70 : 4,762.02 = 2,403.42 : x
  2. Step 2: Convert to fraction form
    3,446.70/4,762.02 = 2,403.42/x
  3. Step 3: Cross multiply
    3,446.70x = 4,762.02 × 2,403.42
  4. Step 4: Simplify right side
    3,446.70x = 11,445,134.11
  5. Step 5: Solve for x
    x = 11,445,134.11/3,446.70
  6. Step 6: Final answer
    x = 3,320.61

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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.