Home / 1,914.67-2,641.66-1,075.29

Finding the Fourth Proportional to 1,914.67, 2,641.66 and 1,075.29

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Solution

The fourth proportional to 1,914.67, 2,641.66 and 1,075.29 is: 1,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.67 : 2,641.66 = 1,075.29 : x
  2. Step 2: Convert to fraction form
    1,914.67/2,641.66 = 1,075.29/x
  3. Step 3: Cross multiply
    1,914.67x = 2,641.66 × 1,075.29
  4. Step 4: Simplify right side
    1,914.67x = 2,840,550.58
  5. Step 5: Solve for x
    x = 2,840,550.58/1,914.67
  6. Step 6: Final answer
    x = 1,483.57

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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.