Home / 1,504.24-2,075.81-874.96

Finding the Fourth Proportional to 1,504.24, 2,075.81 and 874.96

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Solution

The fourth proportional to 1,504.24, 2,075.81 and 874.96 is: 1,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.24 : 2,075.81 = 874.96 : x
  2. Step 2: Convert to fraction form
    1,504.24/2,075.81 = 874.96/x
  3. Step 3: Cross multiply
    1,504.24x = 2,075.81 × 874.96
  4. Step 4: Simplify right side
    1,504.24x = 1,816,241.15
  5. Step 5: Solve for x
    x = 1,816,241.15/1,504.24
  6. Step 6: Final answer
    x = 1,207.42

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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.