Home / 3,386.44-5,075.76-1,305.41

Finding the Fourth Proportional to 3,386.44, 5,075.76 and 1,305.41

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Solution

The fourth proportional to 3,386.44, 5,075.76 and 1,305.41 is: 1,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.44 : 5,075.76 = 1,305.41 : x
  2. Step 2: Convert to fraction form
    3,386.44/5,075.76 = 1,305.41/x
  3. Step 3: Cross multiply
    3,386.44x = 5,075.76 × 1,305.41
  4. Step 4: Simplify right side
    3,386.44x = 6,625,927.38
  5. Step 5: Solve for x
    x = 6,625,927.38/3,386.44
  6. Step 6: Final answer
    x = 1,956.60

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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.