Home / 2,986.46-4,479.70-2,059.28

Finding the Fourth Proportional to 2,986.46, 4,479.70 and 2,059.28

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Solution

The fourth proportional to 2,986.46, 4,479.70 and 2,059.28 is: 3,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.46 : 4,479.70 = 2,059.28 : x
  2. Step 2: Convert to fraction form
    2,986.46/4,479.70 = 2,059.28/x
  3. Step 3: Cross multiply
    2,986.46x = 4,479.70 × 2,059.28
  4. Step 4: Simplify right side
    2,986.46x = 9,224,956.62
  5. Step 5: Solve for x
    x = 9,224,956.62/2,986.46
  6. Step 6: Final answer
    x = 3,088.93

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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.