Home / 1,396.20-2,094.18-848.22

Finding the Fourth Proportional to 1,396.20, 2,094.18 and 848.22

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Solution

The fourth proportional to 1,396.20, 2,094.18 and 848.22 is: 1,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.20 : 2,094.18 = 848.22 : x
  2. Step 2: Convert to fraction form
    1,396.20/2,094.18 = 848.22/x
  3. Step 3: Cross multiply
    1,396.20x = 2,094.18 × 848.22
  4. Step 4: Simplify right side
    1,396.20x = 1,776,325.36
  5. Step 5: Solve for x
    x = 1,776,325.36/1,396.20
  6. Step 6: Final answer
    x = 1,272.26

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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.