Home / 4,287.70-5,917.71-2,519.74

Finding the Fourth Proportional to 4,287.70, 5,917.71 and 2,519.74

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Solution

The fourth proportional to 4,287.70, 5,917.71 and 2,519.74 is: 3,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.70 : 5,917.71 = 2,519.74 : x
  2. Step 2: Convert to fraction form
    4,287.70/5,917.71 = 2,519.74/x
  3. Step 3: Cross multiply
    4,287.70x = 5,917.71 × 2,519.74
  4. Step 4: Simplify right side
    4,287.70x = 14,911,090.60
  5. Step 5: Solve for x
    x = 14,911,090.60/4,287.70
  6. Step 6: Final answer
    x = 3,477.64

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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.