Home / 3,491.64-4,815.42-2,937.72

Finding the Fourth Proportional to 3,491.64, 4,815.42 and 2,937.72

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Solution

The fourth proportional to 3,491.64, 4,815.42 and 2,937.72 is: 4,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.64 : 4,815.42 = 2,937.72 : x
  2. Step 2: Convert to fraction form
    3,491.64/4,815.42 = 2,937.72/x
  3. Step 3: Cross multiply
    3,491.64x = 4,815.42 × 2,937.72
  4. Step 4: Simplify right side
    3,491.64x = 14,146,355.64
  5. Step 5: Solve for x
    x = 14,146,355.64/3,491.64
  6. Step 6: Final answer
    x = 4,051.49

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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.