Home / 3,835.60-5,749.04-1,643.20

Finding the Fourth Proportional to 3,835.60, 5,749.04 and 1,643.20

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Solution

The fourth proportional to 3,835.60, 5,749.04 and 1,643.20 is: 2,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.60 : 5,749.04 = 1,643.20 : x
  2. Step 2: Convert to fraction form
    3,835.60/5,749.04 = 1,643.20/x
  3. Step 3: Cross multiply
    3,835.60x = 5,749.04 × 1,643.20
  4. Step 4: Simplify right side
    3,835.60x = 9,446,822.53
  5. Step 5: Solve for x
    x = 9,446,822.53/3,835.60
  6. Step 6: Final answer
    x = 2,462.93

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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.