Home / 3,038.55-4,184.78-2,338.71

Finding the Fourth Proportional to 3,038.55, 4,184.78 and 2,338.71

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Solution

The fourth proportional to 3,038.55, 4,184.78 and 2,338.71 is: 3,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.55 : 4,184.78 = 2,338.71 : x
  2. Step 2: Convert to fraction form
    3,038.55/4,184.78 = 2,338.71/x
  3. Step 3: Cross multiply
    3,038.55x = 4,184.78 × 2,338.71
  4. Step 4: Simplify right side
    3,038.55x = 9,786,975.14
  5. Step 5: Solve for x
    x = 9,786,975.14/3,038.55
  6. Step 6: Final answer
    x = 3,220.94

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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.