Home / 1,746.44-2,620.28-822.70

Finding the Fourth Proportional to 1,746.44, 2,620.28 and 822.70

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Solution

The fourth proportional to 1,746.44, 2,620.28 and 822.70 is: 1,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.44 : 2,620.28 = 822.70 : x
  2. Step 2: Convert to fraction form
    1,746.44/2,620.28 = 822.70/x
  3. Step 3: Cross multiply
    1,746.44x = 2,620.28 × 822.70
  4. Step 4: Simplify right side
    1,746.44x = 2,155,704.36
  5. Step 5: Solve for x
    x = 2,155,704.36/1,746.44
  6. Step 6: Final answer
    x = 1,234.34

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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.