Home / 3,300.32-4,555.12-1,975.20

Finding the Fourth Proportional to 3,300.32, 4,555.12 and 1,975.20

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Solution

The fourth proportional to 3,300.32, 4,555.12 and 1,975.20 is: 2,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.32 : 4,555.12 = 1,975.20 : x
  2. Step 2: Convert to fraction form
    3,300.32/4,555.12 = 1,975.20/x
  3. Step 3: Cross multiply
    3,300.32x = 4,555.12 × 1,975.20
  4. Step 4: Simplify right side
    3,300.32x = 8,997,273.02
  5. Step 5: Solve for x
    x = 8,997,273.02/3,300.32
  6. Step 6: Final answer
    x = 2,726.18

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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.