Home / 3,269.48-4,511.70-1,872.32

Finding the Fourth Proportional to 3,269.48, 4,511.70 and 1,872.32

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Solution

The fourth proportional to 3,269.48, 4,511.70 and 1,872.32 is: 2,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.48 : 4,511.70 = 1,872.32 : x
  2. Step 2: Convert to fraction form
    3,269.48/4,511.70 = 1,872.32/x
  3. Step 3: Cross multiply
    3,269.48x = 4,511.70 × 1,872.32
  4. Step 4: Simplify right side
    3,269.48x = 8,447,346.14
  5. Step 5: Solve for x
    x = 8,447,346.14/3,269.48
  6. Step 6: Final answer
    x = 2,583.70

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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.