Home / 2,235.94-3,351.21-1,615.35

Finding the Fourth Proportional to 2,235.94, 3,351.21 and 1,615.35

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Solution

The fourth proportional to 2,235.94, 3,351.21 and 1,615.35 is: 2,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.94 : 3,351.21 = 1,615.35 : x
  2. Step 2: Convert to fraction form
    2,235.94/3,351.21 = 1,615.35/x
  3. Step 3: Cross multiply
    2,235.94x = 3,351.21 × 1,615.35
  4. Step 4: Simplify right side
    2,235.94x = 5,413,377.07
  5. Step 5: Solve for x
    x = 5,413,377.07/2,235.94
  6. Step 6: Final answer
    x = 2,421.07

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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.