Home / 2,899.06-3,999.46-1,719.50

Finding the Fourth Proportional to 2,899.06, 3,999.46 and 1,719.50

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Solution

The fourth proportional to 2,899.06, 3,999.46 and 1,719.50 is: 2,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.06 : 3,999.46 = 1,719.50 : x
  2. Step 2: Convert to fraction form
    2,899.06/3,999.46 = 1,719.50/x
  3. Step 3: Cross multiply
    2,899.06x = 3,999.46 × 1,719.50
  4. Step 4: Simplify right side
    2,899.06x = 6,877,071.47
  5. Step 5: Solve for x
    x = 6,877,071.47/2,899.06
  6. Step 6: Final answer
    x = 2,372.17

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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.