Home / 1,491.22-2,237.60-1,083.72

Finding the Fourth Proportional to 1,491.22, 2,237.60 and 1,083.72

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Solution

The fourth proportional to 1,491.22, 2,237.60 and 1,083.72 is: 1,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.22 : 2,237.60 = 1,083.72 : x
  2. Step 2: Convert to fraction form
    1,491.22/2,237.60 = 1,083.72/x
  3. Step 3: Cross multiply
    1,491.22x = 2,237.60 × 1,083.72
  4. Step 4: Simplify right side
    1,491.22x = 2,424,931.87
  5. Step 5: Solve for x
    x = 2,424,931.87/1,491.22
  6. Step 6: Final answer
    x = 1,626.14

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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.