Home / 2,904.83-4,006.64-1,909.79

Finding the Fourth Proportional to 2,904.83, 4,006.64 and 1,909.79

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Solution

The fourth proportional to 2,904.83, 4,006.64 and 1,909.79 is: 2,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.83 : 4,006.64 = 1,909.79 : x
  2. Step 2: Convert to fraction form
    2,904.83/4,006.64 = 1,909.79/x
  3. Step 3: Cross multiply
    2,904.83x = 4,006.64 × 1,909.79
  4. Step 4: Simplify right side
    2,904.83x = 7,651,830.03
  5. Step 5: Solve for x
    x = 7,651,830.03/2,904.83
  6. Step 6: Final answer
    x = 2,634.18

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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.