Home / 1,626.94-2,243.68-1,087.63

Finding the Fourth Proportional to 1,626.94, 2,243.68 and 1,087.63

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Solution

The fourth proportional to 1,626.94, 2,243.68 and 1,087.63 is: 1,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.94 : 2,243.68 = 1,087.63 : x
  2. Step 2: Convert to fraction form
    1,626.94/2,243.68 = 1,087.63/x
  3. Step 3: Cross multiply
    1,626.94x = 2,243.68 × 1,087.63
  4. Step 4: Simplify right side
    1,626.94x = 2,440,293.68
  5. Step 5: Solve for x
    x = 2,440,293.68/1,626.94
  6. Step 6: Final answer
    x = 1,499.93

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1.5x scale

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.