Home / 2,782.31-4,173.06-1,003.19

Finding the Fourth Proportional to 2,782.31, 4,173.06 and 1,003.19

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Solution

The fourth proportional to 2,782.31, 4,173.06 and 1,003.19 is: 1,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.31 : 4,173.06 = 1,003.19 : x
  2. Step 2: Convert to fraction form
    2,782.31/4,173.06 = 1,003.19/x
  3. Step 3: Cross multiply
    2,782.31x = 4,173.06 × 1,003.19
  4. Step 4: Simplify right side
    2,782.31x = 4,186,372.06
  5. Step 5: Solve for x
    x = 4,186,372.06/2,782.31
  6. Step 6: Final answer
    x = 1,504.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.