Home / 1,622.45-2,431.61-1,037.22

Finding the Fourth Proportional to 1,622.45, 2,431.61 and 1,037.22

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Solution

The fourth proportional to 1,622.45, 2,431.61 and 1,037.22 is: 1,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.45 : 2,431.61 = 1,037.22 : x
  2. Step 2: Convert to fraction form
    1,622.45/2,431.61 = 1,037.22/x
  3. Step 3: Cross multiply
    1,622.45x = 2,431.61 × 1,037.22
  4. Step 4: Simplify right side
    1,622.45x = 2,522,109.34
  5. Step 5: Solve for x
    x = 2,522,109.34/1,622.45
  6. Step 6: Final answer
    x = 1,554.51

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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.