Home / 2,094.21-2,887.92-1,384.65

Finding the Fourth Proportional to 2,094.21, 2,887.92 and 1,384.65

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Solution

The fourth proportional to 2,094.21, 2,887.92 and 1,384.65 is: 1,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.21 : 2,887.92 = 1,384.65 : x
  2. Step 2: Convert to fraction form
    2,094.21/2,887.92 = 1,384.65/x
  3. Step 3: Cross multiply
    2,094.21x = 2,887.92 × 1,384.65
  4. Step 4: Simplify right side
    2,094.21x = 3,998,758.43
  5. Step 5: Solve for x
    x = 3,998,758.43/2,094.21
  6. Step 6: Final answer
    x = 1,909.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.