Home / 1,903.76-2,626.44-1,195.30

Finding the Fourth Proportional to 1,903.76, 2,626.44 and 1,195.30

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Solution

The fourth proportional to 1,903.76, 2,626.44 and 1,195.30 is: 1,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.76 : 2,626.44 = 1,195.30 : x
  2. Step 2: Convert to fraction form
    1,903.76/2,626.44 = 1,195.30/x
  3. Step 3: Cross multiply
    1,903.76x = 2,626.44 × 1,195.30
  4. Step 4: Simplify right side
    1,903.76x = 3,139,370.60
  5. Step 5: Solve for x
    x = 3,139,370.60/1,903.76
  6. Step 6: Final answer
    x = 1,649.04

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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.