Home / 4,140.78-5,714.55-2,372.51

Finding the Fourth Proportional to 4,140.78, 5,714.55 and 2,372.51

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Solution

The fourth proportional to 4,140.78, 5,714.55 and 2,372.51 is: 3,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.78 : 5,714.55 = 2,372.51 : x
  2. Step 2: Convert to fraction form
    4,140.78/5,714.55 = 2,372.51/x
  3. Step 3: Cross multiply
    4,140.78x = 5,714.55 × 2,372.51
  4. Step 4: Simplify right side
    4,140.78x = 13,557,798.45
  5. Step 5: Solve for x
    x = 13,557,798.45/4,140.78
  6. Step 6: Final answer
    x = 3,274.21

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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.