Home / 2,900.06-4,004.01-1,721.51

Finding the Fourth Proportional to 2,900.06, 4,004.01 and 1,721.51

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Solution

The fourth proportional to 2,900.06, 4,004.01 and 1,721.51 is: 2,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.06 : 4,004.01 = 1,721.51 : x
  2. Step 2: Convert to fraction form
    2,900.06/4,004.01 = 1,721.51/x
  3. Step 3: Cross multiply
    2,900.06x = 4,004.01 × 1,721.51
  4. Step 4: Simplify right side
    2,900.06x = 6,892,943.26
  5. Step 5: Solve for x
    x = 6,892,943.26/2,900.06
  6. Step 6: Final answer
    x = 2,376.83

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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.