Home / 3,977.76-5,957.55-1,899.23

Finding the Fourth Proportional to 3,977.76, 5,957.55 and 1,899.23

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Solution

The fourth proportional to 3,977.76, 5,957.55 and 1,899.23 is: 2,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.76 : 5,957.55 = 1,899.23 : x
  2. Step 2: Convert to fraction form
    3,977.76/5,957.55 = 1,899.23/x
  3. Step 3: Cross multiply
    3,977.76x = 5,957.55 × 1,899.23
  4. Step 4: Simplify right side
    3,977.76x = 11,314,727.90
  5. Step 5: Solve for x
    x = 11,314,727.90/3,977.76
  6. Step 6: Final answer
    x = 2,844.50

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Double scale
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Similar ratio
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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.