Home / 2,935.80-4,396.86-1,779.48

Finding the Fourth Proportional to 2,935.80, 4,396.86 and 1,779.48

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Solution

The fourth proportional to 2,935.80, 4,396.86 and 1,779.48 is: 2,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.80 : 4,396.86 = 1,779.48 : x
  2. Step 2: Convert to fraction form
    2,935.80/4,396.86 = 1,779.48/x
  3. Step 3: Cross multiply
    2,935.80x = 4,396.86 × 1,779.48
  4. Step 4: Simplify right side
    2,935.80x = 7,824,124.43
  5. Step 5: Solve for x
    x = 7,824,124.43/2,935.80
  6. Step 6: Final answer
    x = 2,665.07

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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.