Home / 2,794.12-4,193.34-1,040.80

Finding the Fourth Proportional to 2,794.12, 4,193.34 and 1,040.80

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Solution

The fourth proportional to 2,794.12, 4,193.34 and 1,040.80 is: 1,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.12 : 4,193.34 = 1,040.80 : x
  2. Step 2: Convert to fraction form
    2,794.12/4,193.34 = 1,040.80/x
  3. Step 3: Cross multiply
    2,794.12x = 4,193.34 × 1,040.80
  4. Step 4: Simplify right side
    2,794.12x = 4,364,428.27
  5. Step 5: Solve for x
    x = 4,364,428.27/2,794.12
  6. Step 6: Final answer
    x = 1,562.00

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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.