Home / 3,331.20-4,996.80-1,870.32

Finding the Fourth Proportional to 3,331.20, 4,996.80 and 1,870.32

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Solution

The fourth proportional to 3,331.20, 4,996.80 and 1,870.32 is: 2,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.20 : 4,996.80 = 1,870.32 : x
  2. Step 2: Convert to fraction form
    3,331.20/4,996.80 = 1,870.32/x
  3. Step 3: Cross multiply
    3,331.20x = 4,996.80 × 1,870.32
  4. Step 4: Simplify right side
    3,331.20x = 9,345,614.98
  5. Step 5: Solve for x
    x = 9,345,614.98/3,331.20
  6. Step 6: Final answer
    x = 2,805.48

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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.