Home / 3,330.36-4,995.72-1,382.76

Finding the Fourth Proportional to 3,330.36, 4,995.72 and 1,382.76

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Solution

The fourth proportional to 3,330.36, 4,995.72 and 1,382.76 is: 2,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.36 : 4,995.72 = 1,382.76 : x
  2. Step 2: Convert to fraction form
    3,330.36/4,995.72 = 1,382.76/x
  3. Step 3: Cross multiply
    3,330.36x = 4,995.72 × 1,382.76
  4. Step 4: Simplify right side
    3,330.36x = 6,907,881.79
  5. Step 5: Solve for x
    x = 6,907,881.79/3,330.36
  6. Step 6: Final answer
    x = 2,074.21

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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.