Home / 2,683.84-4,015.36-1,953.60

Finding the Fourth Proportional to 2,683.84, 4,015.36 and 1,953.60

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Solution

The fourth proportional to 2,683.84, 4,015.36 and 1,953.60 is: 2,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.84 : 4,015.36 = 1,953.60 : x
  2. Step 2: Convert to fraction form
    2,683.84/4,015.36 = 1,953.60/x
  3. Step 3: Cross multiply
    2,683.84x = 4,015.36 × 1,953.60
  4. Step 4: Simplify right side
    2,683.84x = 7,844,407.30
  5. Step 5: Solve for x
    x = 7,844,407.30/2,683.84
  6. Step 6: Final answer
    x = 2,922.83

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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.