Home / 3,714.36-5,114.16-3,153.72

Finding the Fourth Proportional to 3,714.36, 5,114.16 and 3,153.72

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Solution

The fourth proportional to 3,714.36, 5,114.16 and 3,153.72 is: 4,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.36 : 5,114.16 = 3,153.72 : x
  2. Step 2: Convert to fraction form
    3,714.36/5,114.16 = 3,153.72/x
  3. Step 3: Cross multiply
    3,714.36x = 5,114.16 × 3,153.72
  4. Step 4: Simplify right side
    3,714.36x = 16,128,628.68
  5. Step 5: Solve for x
    x = 16,128,628.68/3,714.36
  6. Step 6: Final answer
    x = 4,342.24

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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.