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Finding the Fourth Proportional to 3,445.92, 4,755.43 and 1,953.81

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Solution

The fourth proportional to 3,445.92, 4,755.43 and 1,953.81 is: 2,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.92 : 4,755.43 = 1,953.81 : x
  2. Step 2: Convert to fraction form
    3,445.92/4,755.43 = 1,953.81/x
  3. Step 3: Cross multiply
    3,445.92x = 4,755.43 × 1,953.81
  4. Step 4: Simplify right side
    3,445.92x = 9,291,206.69
  5. Step 5: Solve for x
    x = 9,291,206.69/3,445.92
  6. Step 6: Final answer
    x = 2,696.29

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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.