Home / 1,491.96-2,236.14-1,078.23

Finding the Fourth Proportional to 1,491.96, 2,236.14 and 1,078.23

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Solution

The fourth proportional to 1,491.96, 2,236.14 and 1,078.23 is: 1,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.96 : 2,236.14 = 1,078.23 : x
  2. Step 2: Convert to fraction form
    1,491.96/2,236.14 = 1,078.23/x
  3. Step 3: Cross multiply
    1,491.96x = 2,236.14 × 1,078.23
  4. Step 4: Simplify right side
    1,491.96x = 2,411,073.23
  5. Step 5: Solve for x
    x = 2,411,073.23/1,491.96
  6. Step 6: Final answer
    x = 1,616.04

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1.5x scale

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.