Home / 1,970.44-2,956.59-1,229.85

Finding the Fourth Proportional to 1,970.44, 2,956.59 and 1,229.85

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Solution

The fourth proportional to 1,970.44, 2,956.59 and 1,229.85 is: 1,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.44 : 2,956.59 = 1,229.85 : x
  2. Step 2: Convert to fraction form
    1,970.44/2,956.59 = 1,229.85/x
  3. Step 3: Cross multiply
    1,970.44x = 2,956.59 × 1,229.85
  4. Step 4: Simplify right side
    1,970.44x = 3,636,155.74
  5. Step 5: Solve for x
    x = 3,636,155.74/1,970.44
  6. Step 6: Final answer
    x = 1,845.35

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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.