Home / 4,102.34-6,155.31-2,154.09

Finding the Fourth Proportional to 4,102.34, 6,155.31 and 2,154.09

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Solution

The fourth proportional to 4,102.34, 6,155.31 and 2,154.09 is: 3,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.34 : 6,155.31 = 2,154.09 : x
  2. Step 2: Convert to fraction form
    4,102.34/6,155.31 = 2,154.09/x
  3. Step 3: Cross multiply
    4,102.34x = 6,155.31 × 2,154.09
  4. Step 4: Simplify right side
    4,102.34x = 13,259,091.72
  5. Step 5: Solve for x
    x = 13,259,091.72/4,102.34
  6. Step 6: Final answer
    x = 3,232.08

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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.