Home / 3,378.42-4,662.50-1,886.62

Finding the Fourth Proportional to 3,378.42, 4,662.50 and 1,886.62

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Solution

The fourth proportional to 3,378.42, 4,662.50 and 1,886.62 is: 2,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.42 : 4,662.50 = 1,886.62 : x
  2. Step 2: Convert to fraction form
    3,378.42/4,662.50 = 1,886.62/x
  3. Step 3: Cross multiply
    3,378.42x = 4,662.50 × 1,886.62
  4. Step 4: Simplify right side
    3,378.42x = 8,796,389.13
  5. Step 5: Solve for x
    x = 8,796,389.13/3,378.42
  6. Step 6: Final answer
    x = 2,603.70

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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.