Home / 2,899.14-3,999.48-1,904.06

Finding the Fourth Proportional to 2,899.14, 3,999.48 and 1,904.06

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Solution

The fourth proportional to 2,899.14, 3,999.48 and 1,904.06 is: 2,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.14 : 3,999.48 = 1,904.06 : x
  2. Step 2: Convert to fraction form
    2,899.14/3,999.48 = 1,904.06/x
  3. Step 3: Cross multiply
    2,899.14x = 3,999.48 × 1,904.06
  4. Step 4: Simplify right side
    2,899.14x = 7,615,230.25
  5. Step 5: Solve for x
    x = 7,615,230.25/2,899.14
  6. Step 6: Final answer
    x = 2,626.72

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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.