Home / 1,626.28-2,243.90-1,037.68

Finding the Fourth Proportional to 1,626.28, 2,243.90 and 1,037.68

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Solution

The fourth proportional to 1,626.28, 2,243.90 and 1,037.68 is: 1,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.28 : 2,243.90 = 1,037.68 : x
  2. Step 2: Convert to fraction form
    1,626.28/2,243.90 = 1,037.68/x
  3. Step 3: Cross multiply
    1,626.28x = 2,243.90 × 1,037.68
  4. Step 4: Simplify right side
    1,626.28x = 2,328,450.15
  5. Step 5: Solve for x
    x = 2,328,450.15/1,626.28
  6. Step 6: Final answer
    x = 1,431.76

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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.