Home / 2,975.08-4,463.84-1,331.20

Finding the Fourth Proportional to 2,975.08, 4,463.84 and 1,331.20

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Solution

The fourth proportional to 2,975.08, 4,463.84 and 1,331.20 is: 1,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.08 : 4,463.84 = 1,331.20 : x
  2. Step 2: Convert to fraction form
    2,975.08/4,463.84 = 1,331.20/x
  3. Step 3: Cross multiply
    2,975.08x = 4,463.84 × 1,331.20
  4. Step 4: Simplify right side
    2,975.08x = 5,942,263.81
  5. Step 5: Solve for x
    x = 5,942,263.81/2,975.08
  6. Step 6: Final answer
    x = 1,997.35

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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.