Home / 1,779.45-2,669.79-1,576.55

Finding the Fourth Proportional to 1,779.45, 2,669.79 and 1,576.55

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Solution

The fourth proportional to 1,779.45, 2,669.79 and 1,576.55 is: 2,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.45 : 2,669.79 = 1,576.55 : x
  2. Step 2: Convert to fraction form
    1,779.45/2,669.79 = 1,576.55/x
  3. Step 3: Cross multiply
    1,779.45x = 2,669.79 × 1,576.55
  4. Step 4: Simplify right side
    1,779.45x = 4,209,044.08
  5. Step 5: Solve for x
    x = 4,209,044.08/1,779.45
  6. Step 6: Final answer
    x = 2,365.36

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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.