Home / 3,176.30-4,764.60-2,756.31

Finding the Fourth Proportional to 3,176.30, 4,764.60 and 2,756.31

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Solution

The fourth proportional to 3,176.30, 4,764.60 and 2,756.31 is: 4,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.30 : 4,764.60 = 2,756.31 : x
  2. Step 2: Convert to fraction form
    3,176.30/4,764.60 = 2,756.31/x
  3. Step 3: Cross multiply
    3,176.30x = 4,764.60 × 2,756.31
  4. Step 4: Simplify right side
    3,176.30x = 13,132,714.63
  5. Step 5: Solve for x
    x = 13,132,714.63/3,176.30
  6. Step 6: Final answer
    x = 4,134.60

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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.