Home / 1,904.35-2,852.39-1,857.89

Finding the Fourth Proportional to 1,904.35, 2,852.39 and 1,857.89

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Solution

The fourth proportional to 1,904.35, 2,852.39 and 1,857.89 is: 2,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.35 : 2,852.39 = 1,857.89 : x
  2. Step 2: Convert to fraction form
    1,904.35/2,852.39 = 1,857.89/x
  3. Step 3: Cross multiply
    1,904.35x = 2,852.39 × 1,857.89
  4. Step 4: Simplify right side
    1,904.35x = 5,299,426.86
  5. Step 5: Solve for x
    x = 5,299,426.86/1,904.35
  6. Step 6: Final answer
    x = 2,782.80

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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.