Home / 3,153.51-4,349.58-2,733.12

Finding the Fourth Proportional to 3,153.51, 4,349.58 and 2,733.12

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Solution

The fourth proportional to 3,153.51, 4,349.58 and 2,733.12 is: 3,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.51 : 4,349.58 = 2,733.12 : x
  2. Step 2: Convert to fraction form
    3,153.51/4,349.58 = 2,733.12/x
  3. Step 3: Cross multiply
    3,153.51x = 4,349.58 × 2,733.12
  4. Step 4: Simplify right side
    3,153.51x = 11,887,924.09
  5. Step 5: Solve for x
    x = 11,887,924.09/3,153.51
  6. Step 6: Final answer
    x = 3,769.74

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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.