Home / 1,396.02-2,084.68-1,351.46

Finding the Fourth Proportional to 1,396.02, 2,084.68 and 1,351.46

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Solution

The fourth proportional to 1,396.02, 2,084.68 and 1,351.46 is: 2,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.02 : 2,084.68 = 1,351.46 : x
  2. Step 2: Convert to fraction form
    1,396.02/2,084.68 = 1,351.46/x
  3. Step 3: Cross multiply
    1,396.02x = 2,084.68 × 1,351.46
  4. Step 4: Simplify right side
    1,396.02x = 2,817,361.63
  5. Step 5: Solve for x
    x = 2,817,361.63/1,396.02
  6. Step 6: Final answer
    x = 2,018.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.