Home / 1,929.39-2,894.99-1,840.08

Finding the Fourth Proportional to 1,929.39, 2,894.99 and 1,840.08

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Solution

The fourth proportional to 1,929.39, 2,894.99 and 1,840.08 is: 2,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.39 : 2,894.99 = 1,840.08 : x
  2. Step 2: Convert to fraction form
    1,929.39/2,894.99 = 1,840.08/x
  3. Step 3: Cross multiply
    1,929.39x = 2,894.99 × 1,840.08
  4. Step 4: Simplify right side
    1,929.39x = 5,327,004.00
  5. Step 5: Solve for x
    x = 5,327,004.00/1,929.39
  6. Step 6: Final answer
    x = 2,760.98

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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.