Home / 2,178.35-3,267.63-1,009.44

Finding the Fourth Proportional to 2,178.35, 3,267.63 and 1,009.44

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Solution

The fourth proportional to 2,178.35, 3,267.63 and 1,009.44 is: 1,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.35 : 3,267.63 = 1,009.44 : x
  2. Step 2: Convert to fraction form
    2,178.35/3,267.63 = 1,009.44/x
  3. Step 3: Cross multiply
    2,178.35x = 3,267.63 × 1,009.44
  4. Step 4: Simplify right side
    2,178.35x = 3,298,476.43
  5. Step 5: Solve for x
    x = 3,298,476.43/2,178.35
  6. Step 6: Final answer
    x = 1,514.21

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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.