Home / 1,344.24-2,015.10-1,208.16

Finding the Fourth Proportional to 1,344.24, 2,015.10 and 1,208.16

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Solution

The fourth proportional to 1,344.24, 2,015.10 and 1,208.16 is: 1,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.24 : 2,015.10 = 1,208.16 : x
  2. Step 2: Convert to fraction form
    1,344.24/2,015.10 = 1,208.16/x
  3. Step 3: Cross multiply
    1,344.24x = 2,015.10 × 1,208.16
  4. Step 4: Simplify right side
    1,344.24x = 2,434,563.22
  5. Step 5: Solve for x
    x = 2,434,563.22/1,344.24
  6. Step 6: Final answer
    x = 1,811.11

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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.