Home / 3,162.77-4,364.29-1,836.22

Finding the Fourth Proportional to 3,162.77, 4,364.29 and 1,836.22

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Solution

The fourth proportional to 3,162.77, 4,364.29 and 1,836.22 is: 2,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.77 : 4,364.29 = 1,836.22 : x
  2. Step 2: Convert to fraction form
    3,162.77/4,364.29 = 1,836.22/x
  3. Step 3: Cross multiply
    3,162.77x = 4,364.29 × 1,836.22
  4. Step 4: Simplify right side
    3,162.77x = 8,013,774.76
  5. Step 5: Solve for x
    x = 8,013,774.76/3,162.77
  6. Step 6: Final answer
    x = 2,533.78

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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.