Home / 3,439.07-4,746.69-2,181.86

Finding the Fourth Proportional to 3,439.07, 4,746.69 and 2,181.86

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Solution

The fourth proportional to 3,439.07, 4,746.69 and 2,181.86 is: 3,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.07 : 4,746.69 = 2,181.86 : x
  2. Step 2: Convert to fraction form
    3,439.07/4,746.69 = 2,181.86/x
  3. Step 3: Cross multiply
    3,439.07x = 4,746.69 × 2,181.86
  4. Step 4: Simplify right side
    3,439.07x = 10,356,589.31
  5. Step 5: Solve for x
    x = 10,356,589.31/3,439.07
  6. Step 6: Final answer
    x = 3,011.45

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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.