Home / 3,021.49-4,530.62-1,377.60

Finding the Fourth Proportional to 3,021.49, 4,530.62 and 1,377.60

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Solution

The fourth proportional to 3,021.49, 4,530.62 and 1,377.60 is: 2,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.49 : 4,530.62 = 1,377.60 : x
  2. Step 2: Convert to fraction form
    3,021.49/4,530.62 = 1,377.60/x
  3. Step 3: Cross multiply
    3,021.49x = 4,530.62 × 1,377.60
  4. Step 4: Simplify right side
    3,021.49x = 6,241,352.57
  5. Step 5: Solve for x
    x = 6,241,352.57/3,021.49
  6. Step 6: Final answer
    x = 2,065.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.