Home / 3,421.02-4,721.01-1,849.11

Finding the Fourth Proportional to 3,421.02, 4,721.01 and 1,849.11

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Solution

The fourth proportional to 3,421.02, 4,721.01 and 1,849.11 is: 2,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.02 : 4,721.01 = 1,849.11 : x
  2. Step 2: Convert to fraction form
    3,421.02/4,721.01 = 1,849.11/x
  3. Step 3: Cross multiply
    3,421.02x = 4,721.01 × 1,849.11
  4. Step 4: Simplify right side
    3,421.02x = 8,729,657.56
  5. Step 5: Solve for x
    x = 8,729,657.56/3,421.02
  6. Step 6: Final answer
    x = 2,551.77

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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.