Home / 1,977.16-2,965.52-1,244.56

Finding the Fourth Proportional to 1,977.16, 2,965.52 and 1,244.56

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Solution

The fourth proportional to 1,977.16, 2,965.52 and 1,244.56 is: 1,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.16 : 2,965.52 = 1,244.56 : x
  2. Step 2: Convert to fraction form
    1,977.16/2,965.52 = 1,244.56/x
  3. Step 3: Cross multiply
    1,977.16x = 2,965.52 × 1,244.56
  4. Step 4: Simplify right side
    1,977.16x = 3,690,767.57
  5. Step 5: Solve for x
    x = 3,690,767.57/1,977.16
  6. Step 6: Final answer
    x = 1,866.70

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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.