Home / 2,783.30-3,840.92-1,588.26

Finding the Fourth Proportional to 2,783.30, 3,840.92 and 1,588.26

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Solution

The fourth proportional to 2,783.30, 3,840.92 and 1,588.26 is: 2,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.30 : 3,840.92 = 1,588.26 : x
  2. Step 2: Convert to fraction form
    2,783.30/3,840.92 = 1,588.26/x
  3. Step 3: Cross multiply
    2,783.30x = 3,840.92 × 1,588.26
  4. Step 4: Simplify right side
    2,783.30x = 6,100,370.41
  5. Step 5: Solve for x
    x = 6,100,370.41/2,783.30
  6. Step 6: Final answer
    x = 2,191.78

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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.