Home / 3,386.96-5,075.80-1,304.72

Finding the Fourth Proportional to 3,386.96, 5,075.80 and 1,304.72

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Solution

The fourth proportional to 3,386.96, 5,075.80 and 1,304.72 is: 1,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.96 : 5,075.80 = 1,304.72 : x
  2. Step 2: Convert to fraction form
    3,386.96/5,075.80 = 1,304.72/x
  3. Step 3: Cross multiply
    3,386.96x = 5,075.80 × 1,304.72
  4. Step 4: Simplify right side
    3,386.96x = 6,622,497.78
  5. Step 5: Solve for x
    x = 6,622,497.78/3,386.96
  6. Step 6: Final answer
    x = 1,955.29

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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.