Home / 1,775.60-2,665.20-1,571.48

Finding the Fourth Proportional to 1,775.60, 2,665.20 and 1,571.48

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Solution

The fourth proportional to 1,775.60, 2,665.20 and 1,571.48 is: 2,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.60 : 2,665.20 = 1,571.48 : x
  2. Step 2: Convert to fraction form
    1,775.60/2,665.20 = 1,571.48/x
  3. Step 3: Cross multiply
    1,775.60x = 2,665.20 × 1,571.48
  4. Step 4: Simplify right side
    1,775.60x = 4,188,308.50
  5. Step 5: Solve for x
    x = 4,188,308.50/1,775.60
  6. Step 6: Final answer
    x = 2,358.81

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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.