Home / 1,946.32-2,914.68-1,396.24

Finding the Fourth Proportional to 1,946.32, 2,914.68 and 1,396.24

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Solution

The fourth proportional to 1,946.32, 2,914.68 and 1,396.24 is: 2,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.32 : 2,914.68 = 1,396.24 : x
  2. Step 2: Convert to fraction form
    1,946.32/2,914.68 = 1,396.24/x
  3. Step 3: Cross multiply
    1,946.32x = 2,914.68 × 1,396.24
  4. Step 4: Simplify right side
    1,946.32x = 4,069,592.80
  5. Step 5: Solve for x
    x = 4,069,592.80/1,946.32
  6. Step 6: Final answer
    x = 2,090.92

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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.