Home / 1,736.58-2,604.64-438.04

Finding the Fourth Proportional to 1,736.58, 2,604.64 and 438.04

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Solution

The fourth proportional to 1,736.58, 2,604.64 and 438.04 is: 657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.58 : 2,604.64 = 438.04 : x
  2. Step 2: Convert to fraction form
    1,736.58/2,604.64 = 438.04/x
  3. Step 3: Cross multiply
    1,736.58x = 2,604.64 × 438.04
  4. Step 4: Simplify right side
    1,736.58x = 1,140,936.51
  5. Step 5: Solve for x
    x = 1,140,936.51/1,736.58
  6. Step 6: Final answer
    x = 657.00

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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.