Home / 4,154.58-6,234.36-1,689.20

Finding the Fourth Proportional to 4,154.58, 6,234.36 and 1,689.20

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Solution

The fourth proportional to 4,154.58, 6,234.36 and 1,689.20 is: 2,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.58 : 6,234.36 = 1,689.20 : x
  2. Step 2: Convert to fraction form
    4,154.58/6,234.36 = 1,689.20/x
  3. Step 3: Cross multiply
    4,154.58x = 6,234.36 × 1,689.20
  4. Step 4: Simplify right side
    4,154.58x = 10,531,080.91
  5. Step 5: Solve for x
    x = 10,531,080.91/4,154.58
  6. Step 6: Final answer
    x = 2,534.81

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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.