Home / 3,461.96-4,777.48-1,890.04

Finding the Fourth Proportional to 3,461.96, 4,777.48 and 1,890.04

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Solution

The fourth proportional to 3,461.96, 4,777.48 and 1,890.04 is: 2,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.96 : 4,777.48 = 1,890.04 : x
  2. Step 2: Convert to fraction form
    3,461.96/4,777.48 = 1,890.04/x
  3. Step 3: Cross multiply
    3,461.96x = 4,777.48 × 1,890.04
  4. Step 4: Simplify right side
    3,461.96x = 9,029,628.30
  5. Step 5: Solve for x
    x = 9,029,628.30/3,461.96
  6. Step 6: Final answer
    x = 2,608.24

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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.