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Finding the Fourth Proportional to 3,093.19, 4,638.87 and 901.40

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Solution

The fourth proportional to 3,093.19, 4,638.87 and 901.40 is: 1,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.19 : 4,638.87 = 901.40 : x
  2. Step 2: Convert to fraction form
    3,093.19/4,638.87 = 901.40/x
  3. Step 3: Cross multiply
    3,093.19x = 4,638.87 × 901.40
  4. Step 4: Simplify right side
    3,093.19x = 4,181,454.22
  5. Step 5: Solve for x
    x = 4,181,454.22/3,093.19
  6. Step 6: Final answer
    x = 1,351.83

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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.