Home / 1,775.72-2,650.60-1,647.24

Finding the Fourth Proportional to 1,775.72, 2,650.60 and 1,647.24

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Solution

The fourth proportional to 1,775.72, 2,650.60 and 1,647.24 is: 2,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.72 : 2,650.60 = 1,647.24 : x
  2. Step 2: Convert to fraction form
    1,775.72/2,650.60 = 1,647.24/x
  3. Step 3: Cross multiply
    1,775.72x = 2,650.60 × 1,647.24
  4. Step 4: Simplify right side
    1,775.72x = 4,366,174.34
  5. Step 5: Solve for x
    x = 4,366,174.34/1,775.72
  6. Step 6: Final answer
    x = 2,458.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.