Home / 2,938.15-4,054.63-1,611.83

Finding the Fourth Proportional to 2,938.15, 4,054.63 and 1,611.83

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Solution

The fourth proportional to 2,938.15, 4,054.63 and 1,611.83 is: 2,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.15 : 4,054.63 = 1,611.83 : x
  2. Step 2: Convert to fraction form
    2,938.15/4,054.63 = 1,611.83/x
  3. Step 3: Cross multiply
    2,938.15x = 4,054.63 × 1,611.83
  4. Step 4: Simplify right side
    2,938.15x = 6,535,354.00
  5. Step 5: Solve for x
    x = 6,535,354.00/2,938.15
  6. Step 6: Final answer
    x = 2,224.31

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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.