Home / 1,975.87-2,965.60-1,052.21

Finding the Fourth Proportional to 1,975.87, 2,965.60 and 1,052.21

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Solution

The fourth proportional to 1,975.87, 2,965.60 and 1,052.21 is: 1,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.87 : 2,965.60 = 1,052.21 : x
  2. Step 2: Convert to fraction form
    1,975.87/2,965.60 = 1,052.21/x
  3. Step 3: Cross multiply
    1,975.87x = 2,965.60 × 1,052.21
  4. Step 4: Simplify right side
    1,975.87x = 3,120,442.71
  5. Step 5: Solve for x
    x = 3,120,442.71/1,975.87
  6. Step 6: Final answer
    x = 1,579.27

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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.