Home / 3,803.48-5,228.68-3,270.40

Finding the Fourth Proportional to 3,803.48, 5,228.68 and 3,270.40

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Solution

The fourth proportional to 3,803.48, 5,228.68 and 3,270.40 is: 4,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.48 : 5,228.68 = 3,270.40 : x
  2. Step 2: Convert to fraction form
    3,803.48/5,228.68 = 3,270.40/x
  3. Step 3: Cross multiply
    3,803.48x = 5,228.68 × 3,270.40
  4. Step 4: Simplify right side
    3,803.48x = 17,099,875.07
  5. Step 5: Solve for x
    x = 17,099,875.07/3,803.48
  6. Step 6: Final answer
    x = 4,495.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.