Home / 1,902.88-2,626.32-1,106.31

Finding the Fourth Proportional to 1,902.88, 2,626.32 and 1,106.31

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Solution

The fourth proportional to 1,902.88, 2,626.32 and 1,106.31 is: 1,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.88 : 2,626.32 = 1,106.31 : x
  2. Step 2: Convert to fraction form
    1,902.88/2,626.32 = 1,106.31/x
  3. Step 3: Cross multiply
    1,902.88x = 2,626.32 × 1,106.31
  4. Step 4: Simplify right side
    1,902.88x = 2,905,524.08
  5. Step 5: Solve for x
    x = 2,905,524.08/1,902.88
  6. Step 6: Final answer
    x = 1,526.91

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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.