Home / 3,479.02-5,221.58-1,836.68

Finding the Fourth Proportional to 3,479.02, 5,221.58 and 1,836.68

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Solution

The fourth proportional to 3,479.02, 5,221.58 and 1,836.68 is: 2,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.02 : 5,221.58 = 1,836.68 : x
  2. Step 2: Convert to fraction form
    3,479.02/5,221.58 = 1,836.68/x
  3. Step 3: Cross multiply
    3,479.02x = 5,221.58 × 1,836.68
  4. Step 4: Simplify right side
    3,479.02x = 9,590,336.26
  5. Step 5: Solve for x
    x = 9,590,336.26/3,479.02
  6. Step 6: Final answer
    x = 2,756.62

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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.