Home / 2,393.21-3,588.16-1,220.94

Finding the Fourth Proportional to 2,393.21, 3,588.16 and 1,220.94

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Solution

The fourth proportional to 2,393.21, 3,588.16 and 1,220.94 is: 1,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.21 : 3,588.16 = 1,220.94 : x
  2. Step 2: Convert to fraction form
    2,393.21/3,588.16 = 1,220.94/x
  3. Step 3: Cross multiply
    2,393.21x = 3,588.16 × 1,220.94
  4. Step 4: Simplify right side
    2,393.21x = 4,380,928.07
  5. Step 5: Solve for x
    x = 4,380,928.07/2,393.21
  6. Step 6: Final answer
    x = 1,830.57

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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.