Home / 3,162.99-4,366.40-1,836.21

Finding the Fourth Proportional to 3,162.99, 4,366.40 and 1,836.21

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Solution

The fourth proportional to 3,162.99, 4,366.40 and 1,836.21 is: 2,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.99 : 4,366.40 = 1,836.21 : x
  2. Step 2: Convert to fraction form
    3,162.99/4,366.40 = 1,836.21/x
  3. Step 3: Cross multiply
    3,162.99x = 4,366.40 × 1,836.21
  4. Step 4: Simplify right side
    3,162.99x = 8,017,618.16
  5. Step 5: Solve for x
    x = 8,017,618.16/3,162.99
  6. Step 6: Final answer
    x = 2,534.82

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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.