Home / 3,461.91-4,777.44-1,890.01

Finding the Fourth Proportional to 3,461.91, 4,777.44 and 1,890.01

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Solution

The fourth proportional to 3,461.91, 4,777.44 and 1,890.01 is: 2,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.91 : 4,777.44 = 1,890.01 : x
  2. Step 2: Convert to fraction form
    3,461.91/4,777.44 = 1,890.01/x
  3. Step 3: Cross multiply
    3,461.91x = 4,777.44 × 1,890.01
  4. Step 4: Simplify right side
    3,461.91x = 9,029,409.37
  5. Step 5: Solve for x
    x = 9,029,409.37/3,461.91
  6. Step 6: Final answer
    x = 2,608.22

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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.