Home / 3,405.68-4,701.99-2,228.74

Finding the Fourth Proportional to 3,405.68, 4,701.99 and 2,228.74

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Solution

The fourth proportional to 3,405.68, 4,701.99 and 2,228.74 is: 3,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.68 : 4,701.99 = 2,228.74 : x
  2. Step 2: Convert to fraction form
    3,405.68/4,701.99 = 2,228.74/x
  3. Step 3: Cross multiply
    3,405.68x = 4,701.99 × 2,228.74
  4. Step 4: Simplify right side
    3,405.68x = 10,479,513.19
  5. Step 5: Solve for x
    x = 10,479,513.19/3,405.68
  6. Step 6: Final answer
    x = 3,077.07

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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.