Home / 3,423.72-4,719.06-2,714.31

Finding the Fourth Proportional to 3,423.72, 4,719.06 and 2,714.31

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Solution

The fourth proportional to 3,423.72, 4,719.06 and 2,714.31 is: 3,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.72 : 4,719.06 = 2,714.31 : x
  2. Step 2: Convert to fraction form
    3,423.72/4,719.06 = 2,714.31/x
  3. Step 3: Cross multiply
    3,423.72x = 4,719.06 × 2,714.31
  4. Step 4: Simplify right side
    3,423.72x = 12,808,991.75
  5. Step 5: Solve for x
    x = 12,808,991.75/3,423.72
  6. Step 6: Final answer
    x = 3,741.25

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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.