Home / 2,904.01-4,004.88-2,159.83

Finding the Fourth Proportional to 2,904.01, 4,004.88 and 2,159.83

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Solution

The fourth proportional to 2,904.01, 4,004.88 and 2,159.83 is: 2,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.01 : 4,004.88 = 2,159.83 : x
  2. Step 2: Convert to fraction form
    2,904.01/4,004.88 = 2,159.83/x
  3. Step 3: Cross multiply
    2,904.01x = 4,004.88 × 2,159.83
  4. Step 4: Simplify right side
    2,904.01x = 8,649,859.97
  5. Step 5: Solve for x
    x = 8,649,859.97/2,904.01
  6. Step 6: Final answer
    x = 2,978.59

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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.