Home / 2,771.13-4,158.67-1,539.53

Finding the Fourth Proportional to 2,771.13, 4,158.67 and 1,539.53

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Solution

The fourth proportional to 2,771.13, 4,158.67 and 1,539.53 is: 2,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.13 : 4,158.67 = 1,539.53 : x
  2. Step 2: Convert to fraction form
    2,771.13/4,158.67 = 1,539.53/x
  3. Step 3: Cross multiply
    2,771.13x = 4,158.67 × 1,539.53
  4. Step 4: Simplify right side
    2,771.13x = 6,402,397.23
  5. Step 5: Solve for x
    x = 6,402,397.23/2,771.13
  6. Step 6: Final answer
    x = 2,310.39

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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.