Home / 3,066.79-4,599.21-1,311.76

Finding the Fourth Proportional to 3,066.79, 4,599.21 and 1,311.76

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Solution

The fourth proportional to 3,066.79, 4,599.21 and 1,311.76 is: 1,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.79 : 4,599.21 = 1,311.76 : x
  2. Step 2: Convert to fraction form
    3,066.79/4,599.21 = 1,311.76/x
  3. Step 3: Cross multiply
    3,066.79x = 4,599.21 × 1,311.76
  4. Step 4: Simplify right side
    3,066.79x = 6,033,059.71
  5. Step 5: Solve for x
    x = 6,033,059.71/3,066.79
  6. Step 6: Final answer
    x = 1,967.22

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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.