Home / 2,852.94-4,279.62-1,098.78

Finding the Fourth Proportional to 2,852.94, 4,279.62 and 1,098.78

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Solution

The fourth proportional to 2,852.94, 4,279.62 and 1,098.78 is: 1,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.94 : 4,279.62 = 1,098.78 : x
  2. Step 2: Convert to fraction form
    2,852.94/4,279.62 = 1,098.78/x
  3. Step 3: Cross multiply
    2,852.94x = 4,279.62 × 1,098.78
  4. Step 4: Simplify right side
    2,852.94x = 4,702,360.86
  5. Step 5: Solve for x
    x = 4,702,360.86/2,852.94
  6. Step 6: Final answer
    x = 1,648.25

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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.