Home / 3,845.40-5,317.02-3,353.34

Finding the Fourth Proportional to 3,845.40, 5,317.02 and 3,353.34

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Solution

The fourth proportional to 3,845.40, 5,317.02 and 3,353.34 is: 4,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.40 : 5,317.02 = 3,353.34 : x
  2. Step 2: Convert to fraction form
    3,845.40/5,317.02 = 3,353.34/x
  3. Step 3: Cross multiply
    3,845.40x = 5,317.02 × 3,353.34
  4. Step 4: Simplify right side
    3,845.40x = 17,829,775.85
  5. Step 5: Solve for x
    x = 17,829,775.85/3,845.40
  6. Step 6: Final answer
    x = 4,636.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.