Home / 1,861.39-2,771.82-1,840.93

Finding the Fourth Proportional to 1,861.39, 2,771.82 and 1,840.93

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Solution

The fourth proportional to 1,861.39, 2,771.82 and 1,840.93 is: 2,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.39 : 2,771.82 = 1,840.93 : x
  2. Step 2: Convert to fraction form
    1,861.39/2,771.82 = 1,840.93/x
  3. Step 3: Cross multiply
    1,861.39x = 2,771.82 × 1,840.93
  4. Step 4: Simplify right side
    1,861.39x = 5,102,726.59
  5. Step 5: Solve for x
    x = 5,102,726.59/1,861.39
  6. Step 6: Final answer
    x = 2,741.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.