Home / 3,515.42-4,836.06-3,039.74

Finding the Fourth Proportional to 3,515.42, 4,836.06 and 3,039.74

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Solution

The fourth proportional to 3,515.42, 4,836.06 and 3,039.74 is: 4,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.42 : 4,836.06 = 3,039.74 : x
  2. Step 2: Convert to fraction form
    3,515.42/4,836.06 = 3,039.74/x
  3. Step 3: Cross multiply
    3,515.42x = 4,836.06 × 3,039.74
  4. Step 4: Simplify right side
    3,515.42x = 14,700,365.02
  5. Step 5: Solve for x
    x = 14,700,365.02/3,515.42
  6. Step 6: Final answer
    x = 4,181.68

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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.