Home / 3,357.45-4,628.75-2,832.57

Finding the Fourth Proportional to 3,357.45, 4,628.75 and 2,832.57

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Solution

The fourth proportional to 3,357.45, 4,628.75 and 2,832.57 is: 3,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.45 : 4,628.75 = 2,832.57 : x
  2. Step 2: Convert to fraction form
    3,357.45/4,628.75 = 2,832.57/x
  3. Step 3: Cross multiply
    3,357.45x = 4,628.75 × 2,832.57
  4. Step 4: Simplify right side
    3,357.45x = 13,111,244.22
  5. Step 5: Solve for x
    x = 13,111,244.22/3,357.45
  6. Step 6: Final answer
    x = 3,905.12

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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.