Home / 2,406.93-3,320.85-1,611.42

Finding the Fourth Proportional to 2,406.93, 3,320.85 and 1,611.42

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Solution

The fourth proportional to 2,406.93, 3,320.85 and 1,611.42 is: 2,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.93 : 3,320.85 = 1,611.42 : x
  2. Step 2: Convert to fraction form
    2,406.93/3,320.85 = 1,611.42/x
  3. Step 3: Cross multiply
    2,406.93x = 3,320.85 × 1,611.42
  4. Step 4: Simplify right side
    2,406.93x = 5,351,284.11
  5. Step 5: Solve for x
    x = 5,351,284.11/2,406.93
  6. Step 6: Final answer
    x = 2,223.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.