Home / 1,225.35-1,835.60-1,102.43

Finding the Fourth Proportional to 1,225.35, 1,835.60 and 1,102.43

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Solution

The fourth proportional to 1,225.35, 1,835.60 and 1,102.43 is: 1,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.35 : 1,835.60 = 1,102.43 : x
  2. Step 2: Convert to fraction form
    1,225.35/1,835.60 = 1,102.43/x
  3. Step 3: Cross multiply
    1,225.35x = 1,835.60 × 1,102.43
  4. Step 4: Simplify right side
    1,225.35x = 2,023,619.58
  5. Step 5: Solve for x
    x = 2,023,619.58/1,225.35
  6. Step 6: Final answer
    x = 1,651.46

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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.