Home / 1,550.54-2,322.12-1,261.34

Finding the Fourth Proportional to 1,550.54, 2,322.12 and 1,261.34

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Solution

The fourth proportional to 1,550.54, 2,322.12 and 1,261.34 is: 1,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.54 : 2,322.12 = 1,261.34 : x
  2. Step 2: Convert to fraction form
    1,550.54/2,322.12 = 1,261.34/x
  3. Step 3: Cross multiply
    1,550.54x = 2,322.12 × 1,261.34
  4. Step 4: Simplify right side
    1,550.54x = 2,928,982.84
  5. Step 5: Solve for x
    x = 2,928,982.84/1,550.54
  6. Step 6: Final answer
    x = 1,889.01

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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.