Home / 2,193.56-3,291.98-1,040.12

Finding the Fourth Proportional to 2,193.56, 3,291.98 and 1,040.12

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Solution

The fourth proportional to 2,193.56, 3,291.98 and 1,040.12 is: 1,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.56 : 3,291.98 = 1,040.12 : x
  2. Step 2: Convert to fraction form
    2,193.56/3,291.98 = 1,040.12/x
  3. Step 3: Cross multiply
    2,193.56x = 3,291.98 × 1,040.12
  4. Step 4: Simplify right side
    2,193.56x = 3,424,054.24
  5. Step 5: Solve for x
    x = 3,424,054.24/2,193.56
  6. Step 6: Final answer
    x = 1,560.96

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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.