Home / 3,066.20-4,599.09-757.70

Finding the Fourth Proportional to 3,066.20, 4,599.09 and 757.70

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Solution

The fourth proportional to 3,066.20, 4,599.09 and 757.70 is: 1,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.20 : 4,599.09 = 757.70 : x
  2. Step 2: Convert to fraction form
    3,066.20/4,599.09 = 757.70/x
  3. Step 3: Cross multiply
    3,066.20x = 4,599.09 × 757.70
  4. Step 4: Simplify right side
    3,066.20x = 3,484,707.50
  5. Step 5: Solve for x
    x = 3,484,707.50/3,066.20
  6. Step 6: Final answer
    x = 1,136.49

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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.