Home / 2,717.29-4,075.96-1,421.29

Finding the Fourth Proportional to 2,717.29, 4,075.96 and 1,421.29

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Solution

The fourth proportional to 2,717.29, 4,075.96 and 1,421.29 is: 2,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.29 : 4,075.96 = 1,421.29 : x
  2. Step 2: Convert to fraction form
    2,717.29/4,075.96 = 1,421.29/x
  3. Step 3: Cross multiply
    2,717.29x = 4,075.96 × 1,421.29
  4. Step 4: Simplify right side
    2,717.29x = 5,793,107.45
  5. Step 5: Solve for x
    x = 5,793,107.45/2,717.29
  6. Step 6: Final answer
    x = 2,131.94

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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.