Home / 3,420.93-4,720.91-1,849.02

Finding the Fourth Proportional to 3,420.93, 4,720.91 and 1,849.02

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Solution

The fourth proportional to 3,420.93, 4,720.91 and 1,849.02 is: 2,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.93 : 4,720.91 = 1,849.02 : x
  2. Step 2: Convert to fraction form
    3,420.93/4,720.91 = 1,849.02/x
  3. Step 3: Cross multiply
    3,420.93x = 4,720.91 × 1,849.02
  4. Step 4: Simplify right side
    3,420.93x = 8,729,047.76
  5. Step 5: Solve for x
    x = 8,729,047.76/3,420.93
  6. Step 6: Final answer
    x = 2,551.66

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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.