Home / 1,604.66-2,213.48-1,107.28

Finding the Fourth Proportional to 1,604.66, 2,213.48 and 1,107.28

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Solution

The fourth proportional to 1,604.66, 2,213.48 and 1,107.28 is: 1,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.66 : 2,213.48 = 1,107.28 : x
  2. Step 2: Convert to fraction form
    1,604.66/2,213.48 = 1,107.28/x
  3. Step 3: Cross multiply
    1,604.66x = 2,213.48 × 1,107.28
  4. Step 4: Simplify right side
    1,604.66x = 2,450,925.53
  5. Step 5: Solve for x
    x = 2,450,925.53/1,604.66
  6. Step 6: Final answer
    x = 1,527.38

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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.