Home / 1,903.46-2,626.56-1,106.54

Finding the Fourth Proportional to 1,903.46, 2,626.56 and 1,106.54

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Solution

The fourth proportional to 1,903.46, 2,626.56 and 1,106.54 is: 1,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.46 : 2,626.56 = 1,106.54 : x
  2. Step 2: Convert to fraction form
    1,903.46/2,626.56 = 1,106.54/x
  3. Step 3: Cross multiply
    1,903.46x = 2,626.56 × 1,106.54
  4. Step 4: Simplify right side
    1,903.46x = 2,906,393.70
  5. Step 5: Solve for x
    x = 2,906,393.70/1,903.46
  6. Step 6: Final answer
    x = 1,526.90

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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.