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Finding the Fourth Proportional to 3,445.77, 4,755.41 and 1,953.71

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Solution

The fourth proportional to 3,445.77, 4,755.41 and 1,953.71 is: 2,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.77 : 4,755.41 = 1,953.71 : x
  2. Step 2: Convert to fraction form
    3,445.77/4,755.41 = 1,953.71/x
  3. Step 3: Cross multiply
    3,445.77x = 4,755.41 × 1,953.71
  4. Step 4: Simplify right side
    3,445.77x = 9,290,658.53
  5. Step 5: Solve for x
    x = 9,290,658.53/3,445.77
  6. Step 6: Final answer
    x = 2,696.25

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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.