Home / 1,977.66-2,965.56-1,156.19

Finding the Fourth Proportional to 1,977.66, 2,965.56 and 1,156.19

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Solution

The fourth proportional to 1,977.66, 2,965.56 and 1,156.19 is: 1,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.66 : 2,965.56 = 1,156.19 : x
  2. Step 2: Convert to fraction form
    1,977.66/2,965.56 = 1,156.19/x
  3. Step 3: Cross multiply
    1,977.66x = 2,965.56 × 1,156.19
  4. Step 4: Simplify right side
    1,977.66x = 3,428,735.99
  5. Step 5: Solve for x
    x = 3,428,735.99/1,977.66
  6. Step 6: Final answer
    x = 1,733.73

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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.