Home / 3,056.52-4,217.95-1,861.23

Finding the Fourth Proportional to 3,056.52, 4,217.95 and 1,861.23

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Solution

The fourth proportional to 3,056.52, 4,217.95 and 1,861.23 is: 2,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.52 : 4,217.95 = 1,861.23 : x
  2. Step 2: Convert to fraction form
    3,056.52/4,217.95 = 1,861.23/x
  3. Step 3: Cross multiply
    3,056.52x = 4,217.95 × 1,861.23
  4. Step 4: Simplify right side
    3,056.52x = 7,850,544.68
  5. Step 5: Solve for x
    x = 7,850,544.68/3,056.52
  6. Step 6: Final answer
    x = 2,568.46

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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.