Home / 3,589.60-5,384.40-2,714.80

Finding the Fourth Proportional to 3,589.60, 5,384.40 and 2,714.80

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Solution

The fourth proportional to 3,589.60, 5,384.40 and 2,714.80 is: 4,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.60 : 5,384.40 = 2,714.80 : x
  2. Step 2: Convert to fraction form
    3,589.60/5,384.40 = 2,714.80/x
  3. Step 3: Cross multiply
    3,589.60x = 5,384.40 × 2,714.80
  4. Step 4: Simplify right side
    3,589.60x = 14,617,569.12
  5. Step 5: Solve for x
    x = 14,617,569.12/3,589.60
  6. Step 6: Final answer
    x = 4,072.20

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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.