Home / 3,733.29-5,153.63-2,390.31

Finding the Fourth Proportional to 3,733.29, 5,153.63 and 2,390.31

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Solution

The fourth proportional to 3,733.29, 5,153.63 and 2,390.31 is: 3,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,733.29 : 5,153.63 = 2,390.31 : x
  2. Step 2: Convert to fraction form
    3,733.29/5,153.63 = 2,390.31/x
  3. Step 3: Cross multiply
    3,733.29x = 5,153.63 × 2,390.31
  4. Step 4: Simplify right side
    3,733.29x = 12,318,761.37
  5. Step 5: Solve for x
    x = 12,318,761.37/3,733.29
  6. Step 6: Final answer
    x = 3,299.71

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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.