Home / 1,868.45-2,560.01-1,845.38

Finding the Fourth Proportional to 1,868.45, 2,560.01 and 1,845.38

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Solution

The fourth proportional to 1,868.45, 2,560.01 and 1,845.38 is: 2,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.45 : 2,560.01 = 1,845.38 : x
  2. Step 2: Convert to fraction form
    1,868.45/2,560.01 = 1,845.38/x
  3. Step 3: Cross multiply
    1,868.45x = 2,560.01 × 1,845.38
  4. Step 4: Simplify right side
    1,868.45x = 4,724,188.43
  5. Step 5: Solve for x
    x = 4,724,188.43/1,868.45
  6. Step 6: Final answer
    x = 2,528.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.