Home / 3,641.20-5,460.30-1,300.30

Finding the Fourth Proportional to 3,641.20, 5,460.30 and 1,300.30

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Solution

The fourth proportional to 3,641.20, 5,460.30 and 1,300.30 is: 1,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.20 : 5,460.30 = 1,300.30 : x
  2. Step 2: Convert to fraction form
    3,641.20/5,460.30 = 1,300.30/x
  3. Step 3: Cross multiply
    3,641.20x = 5,460.30 × 1,300.30
  4. Step 4: Simplify right side
    3,641.20x = 7,100,028.09
  5. Step 5: Solve for x
    x = 7,100,028.09/3,641.20
  6. Step 6: Final answer
    x = 1,949.91

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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.