Home / 3,488.24-5,228.40-1,637.60

Finding the Fourth Proportional to 3,488.24, 5,228.40 and 1,637.60

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Solution

The fourth proportional to 3,488.24, 5,228.40 and 1,637.60 is: 2,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.24 : 5,228.40 = 1,637.60 : x
  2. Step 2: Convert to fraction form
    3,488.24/5,228.40 = 1,637.60/x
  3. Step 3: Cross multiply
    3,488.24x = 5,228.40 × 1,637.60
  4. Step 4: Simplify right side
    3,488.24x = 8,562,027.84
  5. Step 5: Solve for x
    x = 8,562,027.84/3,488.24
  6. Step 6: Final answer
    x = 2,454.54

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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.