Home / 2,852.35-4,279.18-1,208.96

Finding the Fourth Proportional to 2,852.35, 4,279.18 and 1,208.96

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Solution

The fourth proportional to 2,852.35, 4,279.18 and 1,208.96 is: 1,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.35 : 4,279.18 = 1,208.96 : x
  2. Step 2: Convert to fraction form
    2,852.35/4,279.18 = 1,208.96/x
  3. Step 3: Cross multiply
    2,852.35x = 4,279.18 × 1,208.96
  4. Step 4: Simplify right side
    2,852.35x = 5,173,358.96
  5. Step 5: Solve for x
    x = 5,173,358.96/2,852.35
  6. Step 6: Final answer
    x = 1,813.72

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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.