Home / 3,885.04-5,825.58-1,419.28

Finding the Fourth Proportional to 3,885.04, 5,825.58 and 1,419.28

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Solution

The fourth proportional to 3,885.04, 5,825.58 and 1,419.28 is: 2,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.04 : 5,825.58 = 1,419.28 : x
  2. Step 2: Convert to fraction form
    3,885.04/5,825.58 = 1,419.28/x
  3. Step 3: Cross multiply
    3,885.04x = 5,825.58 × 1,419.28
  4. Step 4: Simplify right side
    3,885.04x = 8,268,129.18
  5. Step 5: Solve for x
    x = 8,268,129.18/3,885.04
  6. Step 6: Final answer
    x = 2,128.20

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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.