Home / 1,865.99-2,575.19-1,235.43

Finding the Fourth Proportional to 1,865.99, 2,575.19 and 1,235.43

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Solution

The fourth proportional to 1,865.99, 2,575.19 and 1,235.43 is: 1,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.99 : 2,575.19 = 1,235.43 : x
  2. Step 2: Convert to fraction form
    1,865.99/2,575.19 = 1,235.43/x
  3. Step 3: Cross multiply
    1,865.99x = 2,575.19 × 1,235.43
  4. Step 4: Simplify right side
    1,865.99x = 3,181,466.98
  5. Step 5: Solve for x
    x = 3,181,466.98/1,865.99
  6. Step 6: Final answer
    x = 1,704.98

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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.