Home / 1,904.80-2,849.29-1,788.16

Finding the Fourth Proportional to 1,904.80, 2,849.29 and 1,788.16

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Solution

The fourth proportional to 1,904.80, 2,849.29 and 1,788.16 is: 2,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.80 : 2,849.29 = 1,788.16 : x
  2. Step 2: Convert to fraction form
    1,904.80/2,849.29 = 1,788.16/x
  3. Step 3: Cross multiply
    1,904.80x = 2,849.29 × 1,788.16
  4. Step 4: Simplify right side
    1,904.80x = 5,094,986.41
  5. Step 5: Solve for x
    x = 5,094,986.41/1,904.80
  6. Step 6: Final answer
    x = 2,674.81

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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.