Home / 1,966.16-2,946.39-1,479.56

Finding the Fourth Proportional to 1,966.16, 2,946.39 and 1,479.56

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Solution

The fourth proportional to 1,966.16, 2,946.39 and 1,479.56 is: 2,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.16 : 2,946.39 = 1,479.56 : x
  2. Step 2: Convert to fraction form
    1,966.16/2,946.39 = 1,479.56/x
  3. Step 3: Cross multiply
    1,966.16x = 2,946.39 × 1,479.56
  4. Step 4: Simplify right side
    1,966.16x = 4,359,346.06
  5. Step 5: Solve for x
    x = 4,359,346.06/1,966.16
  6. Step 6: Final answer
    x = 2,217.19

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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.