Home / 2,029.51-3,043.32-1,638.55

Finding the Fourth Proportional to 2,029.51, 3,043.32 and 1,638.55

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Solution

The fourth proportional to 2,029.51, 3,043.32 and 1,638.55 is: 2,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.51 : 3,043.32 = 1,638.55 : x
  2. Step 2: Convert to fraction form
    2,029.51/3,043.32 = 1,638.55/x
  3. Step 3: Cross multiply
    2,029.51x = 3,043.32 × 1,638.55
  4. Step 4: Simplify right side
    2,029.51x = 4,986,631.99
  5. Step 5: Solve for x
    x = 4,986,631.99/2,029.51
  6. Step 6: Final answer
    x = 2,457.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.