Home / 1,975.80-2,960.28-1,650.72

Finding the Fourth Proportional to 1,975.80, 2,960.28 and 1,650.72

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Solution

The fourth proportional to 1,975.80, 2,960.28 and 1,650.72 is: 2,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.80 : 2,960.28 = 1,650.72 : x
  2. Step 2: Convert to fraction form
    1,975.80/2,960.28 = 1,650.72/x
  3. Step 3: Cross multiply
    1,975.80x = 2,960.28 × 1,650.72
  4. Step 4: Simplify right side
    1,975.80x = 4,886,593.40
  5. Step 5: Solve for x
    x = 4,886,593.40/1,975.80
  6. Step 6: Final answer
    x = 2,473.22

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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.