Home / 1,720.03-2,374.26-1,021.41

Finding the Fourth Proportional to 1,720.03, 2,374.26 and 1,021.41

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Solution

The fourth proportional to 1,720.03, 2,374.26 and 1,021.41 is: 1,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.03 : 2,374.26 = 1,021.41 : x
  2. Step 2: Convert to fraction form
    1,720.03/2,374.26 = 1,021.41/x
  3. Step 3: Cross multiply
    1,720.03x = 2,374.26 × 1,021.41
  4. Step 4: Simplify right side
    1,720.03x = 2,425,092.91
  5. Step 5: Solve for x
    x = 2,425,092.91/1,720.03
  6. Step 6: Final answer
    x = 1,409.91

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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.