Home / 1,922.37-2,652.90-1,136.49

Finding the Fourth Proportional to 1,922.37, 2,652.90 and 1,136.49

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Solution

The fourth proportional to 1,922.37, 2,652.90 and 1,136.49 is: 1,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.37 : 2,652.90 = 1,136.49 : x
  2. Step 2: Convert to fraction form
    1,922.37/2,652.90 = 1,136.49/x
  3. Step 3: Cross multiply
    1,922.37x = 2,652.90 × 1,136.49
  4. Step 4: Simplify right side
    1,922.37x = 3,014,994.32
  5. Step 5: Solve for x
    x = 3,014,994.32/1,922.37
  6. Step 6: Final answer
    x = 1,568.37

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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.