Home / 1,779.20-2,663.04-1,007.36

Finding the Fourth Proportional to 1,779.20, 2,663.04 and 1,007.36

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Solution

The fourth proportional to 1,779.20, 2,663.04 and 1,007.36 is: 1,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.20 : 2,663.04 = 1,007.36 : x
  2. Step 2: Convert to fraction form
    1,779.20/2,663.04 = 1,007.36/x
  3. Step 3: Cross multiply
    1,779.20x = 2,663.04 × 1,007.36
  4. Step 4: Simplify right side
    1,779.20x = 2,682,639.97
  5. Step 5: Solve for x
    x = 2,682,639.97/1,779.20
  6. Step 6: Final answer
    x = 1,507.78

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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.