Home / 3,461.93-4,777.39-1,890.05

Finding the Fourth Proportional to 3,461.93, 4,777.39 and 1,890.05

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Solution

The fourth proportional to 3,461.93, 4,777.39 and 1,890.05 is: 2,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.93 : 4,777.39 = 1,890.05 : x
  2. Step 2: Convert to fraction form
    3,461.93/4,777.39 = 1,890.05/x
  3. Step 3: Cross multiply
    3,461.93x = 4,777.39 × 1,890.05
  4. Step 4: Simplify right side
    3,461.93x = 9,029,505.97
  5. Step 5: Solve for x
    x = 9,029,505.97/3,461.93
  6. Step 6: Final answer
    x = 2,608.23

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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.