Home / 1,966.08-2,949.61-1,615.28

Finding the Fourth Proportional to 1,966.08, 2,949.61 and 1,615.28

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Solution

The fourth proportional to 1,966.08, 2,949.61 and 1,615.28 is: 2,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.08 : 2,949.61 = 1,615.28 : x
  2. Step 2: Convert to fraction form
    1,966.08/2,949.61 = 1,615.28/x
  3. Step 3: Cross multiply
    1,966.08x = 2,949.61 × 1,615.28
  4. Step 4: Simplify right side
    1,966.08x = 4,764,423.22
  5. Step 5: Solve for x
    x = 4,764,423.22/1,966.08
  6. Step 6: Final answer
    x = 2,423.31

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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.