Home / 2,783.88-4,197.53-2,554.20

Finding the Fourth Proportional to 2,783.88, 4,197.53 and 2,554.20

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Solution

The fourth proportional to 2,783.88, 4,197.53 and 2,554.20 is: 3,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.88 : 4,197.53 = 2,554.20 : x
  2. Step 2: Convert to fraction form
    2,783.88/4,197.53 = 2,554.20/x
  3. Step 3: Cross multiply
    2,783.88x = 4,197.53 × 2,554.20
  4. Step 4: Simplify right side
    2,783.88x = 10,721,318.36
  5. Step 5: Solve for x
    x = 10,721,318.36/2,783.88
  6. Step 6: Final answer
    x = 3,851.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.