Home / 2,904.63-4,005.66-1,960.59

Finding the Fourth Proportional to 2,904.63, 4,005.66 and 1,960.59

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Solution

The fourth proportional to 2,904.63, 4,005.66 and 1,960.59 is: 2,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.63 : 4,005.66 = 1,960.59 : x
  2. Step 2: Convert to fraction form
    2,904.63/4,005.66 = 1,960.59/x
  3. Step 3: Cross multiply
    2,904.63x = 4,005.66 × 1,960.59
  4. Step 4: Simplify right side
    2,904.63x = 7,853,456.94
  5. Step 5: Solve for x
    x = 7,853,456.94/2,904.63
  6. Step 6: Final answer
    x = 2,703.77

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1.5x scale

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.