Home / 3,220.21-4,830.04-1,488.84

Finding the Fourth Proportional to 3,220.21, 4,830.04 and 1,488.84

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Solution

The fourth proportional to 3,220.21, 4,830.04 and 1,488.84 is: 2,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.21 : 4,830.04 = 1,488.84 : x
  2. Step 2: Convert to fraction form
    3,220.21/4,830.04 = 1,488.84/x
  3. Step 3: Cross multiply
    3,220.21x = 4,830.04 × 1,488.84
  4. Step 4: Simplify right side
    3,220.21x = 7,191,156.75
  5. Step 5: Solve for x
    x = 7,191,156.75/3,220.21
  6. Step 6: Final answer
    x = 2,233.13

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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.