Home / 4,140.69-5,714.64-2,372.87

Finding the Fourth Proportional to 4,140.69, 5,714.64 and 2,372.87

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Solution

The fourth proportional to 4,140.69, 5,714.64 and 2,372.87 is: 3,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.69 : 5,714.64 = 2,372.87 : x
  2. Step 2: Convert to fraction form
    4,140.69/5,714.64 = 2,372.87/x
  3. Step 3: Cross multiply
    4,140.69x = 5,714.64 × 2,372.87
  4. Step 4: Simplify right side
    4,140.69x = 13,560,069.24
  5. Step 5: Solve for x
    x = 13,560,069.24/4,140.69
  6. Step 6: Final answer
    x = 3,274.83

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1.5x scale

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.