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Finding the Fourth Proportional to 3,854.58, 5,313.15 and 2,733.18

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Solution

The fourth proportional to 3,854.58, 5,313.15 and 2,733.18 is: 3,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.58 : 5,313.15 = 2,733.18 : x
  2. Step 2: Convert to fraction form
    3,854.58/5,313.15 = 2,733.18/x
  3. Step 3: Cross multiply
    3,854.58x = 5,313.15 × 2,733.18
  4. Step 4: Simplify right side
    3,854.58x = 14,521,795.32
  5. Step 5: Solve for x
    x = 14,521,795.32/3,854.58
  6. Step 6: Final answer
    x = 3,767.41

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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.