Home / 3,823.17-5,735.40-1,225.50

Finding the Fourth Proportional to 3,823.17, 5,735.40 and 1,225.50

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Solution

The fourth proportional to 3,823.17, 5,735.40 and 1,225.50 is: 1,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.17 : 5,735.40 = 1,225.50 : x
  2. Step 2: Convert to fraction form
    3,823.17/5,735.40 = 1,225.50/x
  3. Step 3: Cross multiply
    3,823.17x = 5,735.40 × 1,225.50
  4. Step 4: Simplify right side
    3,823.17x = 7,028,732.70
  5. Step 5: Solve for x
    x = 7,028,732.70/3,823.17
  6. Step 6: Final answer
    x = 1,838.46

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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.