Home / 3,225.60-4,829.16-1,984.64

Finding the Fourth Proportional to 3,225.60, 4,829.16 and 1,984.64

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Solution

The fourth proportional to 3,225.60, 4,829.16 and 1,984.64 is: 2,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.60 : 4,829.16 = 1,984.64 : x
  2. Step 2: Convert to fraction form
    3,225.60/4,829.16 = 1,984.64/x
  3. Step 3: Cross multiply
    3,225.60x = 4,829.16 × 1,984.64
  4. Step 4: Simplify right side
    3,225.60x = 9,584,156.18
  5. Step 5: Solve for x
    x = 9,584,156.18/3,225.60
  6. Step 6: Final answer
    x = 2,971.28

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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.