Home / 3,062.27-4,225.19-1,803.21

Finding the Fourth Proportional to 3,062.27, 4,225.19 and 1,803.21

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Solution

The fourth proportional to 3,062.27, 4,225.19 and 1,803.21 is: 2,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.27 : 4,225.19 = 1,803.21 : x
  2. Step 2: Convert to fraction form
    3,062.27/4,225.19 = 1,803.21/x
  3. Step 3: Cross multiply
    3,062.27x = 4,225.19 × 1,803.21
  4. Step 4: Simplify right side
    3,062.27x = 7,618,895.84
  5. Step 5: Solve for x
    x = 7,618,895.84/3,062.27
  6. Step 6: Final answer
    x = 2,487.99

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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.