Home / 3,353.48-4,627.56-1,861.35

Finding the Fourth Proportional to 3,353.48, 4,627.56 and 1,861.35

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Solution

The fourth proportional to 3,353.48, 4,627.56 and 1,861.35 is: 2,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.48 : 4,627.56 = 1,861.35 : x
  2. Step 2: Convert to fraction form
    3,353.48/4,627.56 = 1,861.35/x
  3. Step 3: Cross multiply
    3,353.48x = 4,627.56 × 1,861.35
  4. Step 4: Simplify right side
    3,353.48x = 8,613,498.43
  5. Step 5: Solve for x
    x = 8,613,498.43/3,353.48
  6. Step 6: Final answer
    x = 2,568.53

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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.