Home / 1,930.10-2,896.20-1,052.55

Finding the Fourth Proportional to 1,930.10, 2,896.20 and 1,052.55

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Solution

The fourth proportional to 1,930.10, 2,896.20 and 1,052.55 is: 1,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.10 : 2,896.20 = 1,052.55 : x
  2. Step 2: Convert to fraction form
    1,930.10/2,896.20 = 1,052.55/x
  3. Step 3: Cross multiply
    1,930.10x = 2,896.20 × 1,052.55
  4. Step 4: Simplify right side
    1,930.10x = 3,048,395.31
  5. Step 5: Solve for x
    x = 3,048,395.31/1,930.10
  6. Step 6: Final answer
    x = 1,579.40

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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.