Home / 3,572-4,929.46-2,000.42

Finding the Fourth Proportional to 3,572, 4,929.46 and 2,000.42

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Solution

The fourth proportional to 3,572, 4,929.46 and 2,000.42 is: 2,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572 : 4,929.46 = 2,000.42 : x
  2. Step 2: Convert to fraction form
    3,572/4,929.46 = 2,000.42/x
  3. Step 3: Cross multiply
    3,572x = 4,929.46 × 2,000.42
  4. Step 4: Simplify right side
    3,572x = 9,860,990.37
  5. Step 5: Solve for x
    x = 9,860,990.37/3,572
  6. Step 6: Final answer
    x = 2,760.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.