Home / 3,171.41-4,376.54-1,774.16

Finding the Fourth Proportional to 3,171.41, 4,376.54 and 1,774.16

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Solution

The fourth proportional to 3,171.41, 4,376.54 and 1,774.16 is: 2,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.41 : 4,376.54 = 1,774.16 : x
  2. Step 2: Convert to fraction form
    3,171.41/4,376.54 = 1,774.16/x
  3. Step 3: Cross multiply
    3,171.41x = 4,376.54 × 1,774.16
  4. Step 4: Simplify right side
    3,171.41x = 7,764,682.21
  5. Step 5: Solve for x
    x = 7,764,682.21/3,171.41
  6. Step 6: Final answer
    x = 2,448.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.