Home / 2,075.36-2,863.82-1,319.08

Finding the Fourth Proportional to 2,075.36, 2,863.82 and 1,319.08

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Solution

The fourth proportional to 2,075.36, 2,863.82 and 1,319.08 is: 1,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.36 : 2,863.82 = 1,319.08 : x
  2. Step 2: Convert to fraction form
    2,075.36/2,863.82 = 1,319.08/x
  3. Step 3: Cross multiply
    2,075.36x = 2,863.82 × 1,319.08
  4. Step 4: Simplify right side
    2,075.36x = 3,777,607.69
  5. Step 5: Solve for x
    x = 3,777,607.69/2,075.36
  6. Step 6: Final answer
    x = 1,820.22

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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.