Home / 3,817.02-5,725.73-1,219.75

Finding the Fourth Proportional to 3,817.02, 5,725.73 and 1,219.75

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Solution

The fourth proportional to 3,817.02, 5,725.73 and 1,219.75 is: 1,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.02 : 5,725.73 = 1,219.75 : x
  2. Step 2: Convert to fraction form
    3,817.02/5,725.73 = 1,219.75/x
  3. Step 3: Cross multiply
    3,817.02x = 5,725.73 × 1,219.75
  4. Step 4: Simplify right side
    3,817.02x = 6,983,959.17
  5. Step 5: Solve for x
    x = 6,983,959.17/3,817.02
  6. Step 6: Final answer
    x = 1,829.69

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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.