Home / 2,783.09-4,175.35-1,223.24

Finding the Fourth Proportional to 2,783.09, 4,175.35 and 1,223.24

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Solution

The fourth proportional to 2,783.09, 4,175.35 and 1,223.24 is: 1,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.09 : 4,175.35 = 1,223.24 : x
  2. Step 2: Convert to fraction form
    2,783.09/4,175.35 = 1,223.24/x
  3. Step 3: Cross multiply
    2,783.09x = 4,175.35 × 1,223.24
  4. Step 4: Simplify right side
    2,783.09x = 5,107,431.20
  5. Step 5: Solve for x
    x = 5,107,431.20/2,783.09
  6. Step 6: Final answer
    x = 1,835.16

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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.