Home / 3,220.20-4,829.58-1,487.16

Finding the Fourth Proportional to 3,220.20, 4,829.58 and 1,487.16

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Solution

The fourth proportional to 3,220.20, 4,829.58 and 1,487.16 is: 2,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.20 : 4,829.58 = 1,487.16 : x
  2. Step 2: Convert to fraction form
    3,220.20/4,829.58 = 1,487.16/x
  3. Step 3: Cross multiply
    3,220.20x = 4,829.58 × 1,487.16
  4. Step 4: Simplify right side
    3,220.20x = 7,182,358.19
  5. Step 5: Solve for x
    x = 7,182,358.19/3,220.20
  6. Step 6: Final answer
    x = 2,230.41

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1.5x scale

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.