Home / 3,143.17-4,714.72-1,910.92

Finding the Fourth Proportional to 3,143.17, 4,714.72 and 1,910.92

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Solution

The fourth proportional to 3,143.17, 4,714.72 and 1,910.92 is: 2,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.17 : 4,714.72 = 1,910.92 : x
  2. Step 2: Convert to fraction form
    3,143.17/4,714.72 = 1,910.92/x
  3. Step 3: Cross multiply
    3,143.17x = 4,714.72 × 1,910.92
  4. Step 4: Simplify right side
    3,143.17x = 9,009,452.74
  5. Step 5: Solve for x
    x = 9,009,452.74/3,143.17
  6. Step 6: Final answer
    x = 2,866.36

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1.5x scale

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.