Home / 3,448.28-5,172.98-1,368.29

Finding the Fourth Proportional to 3,448.28, 5,172.98 and 1,368.29

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Solution

The fourth proportional to 3,448.28, 5,172.98 and 1,368.29 is: 2,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.28 : 5,172.98 = 1,368.29 : x
  2. Step 2: Convert to fraction form
    3,448.28/5,172.98 = 1,368.29/x
  3. Step 3: Cross multiply
    3,448.28x = 5,172.98 × 1,368.29
  4. Step 4: Simplify right side
    3,448.28x = 7,078,153.16
  5. Step 5: Solve for x
    x = 7,078,153.16/3,448.28
  6. Step 6: Final answer
    x = 2,052.66

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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.