Home / 3,075.35-4,610.78-1,225.91

Finding the Fourth Proportional to 3,075.35, 4,610.78 and 1,225.91

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Solution

The fourth proportional to 3,075.35, 4,610.78 and 1,225.91 is: 1,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.35 : 4,610.78 = 1,225.91 : x
  2. Step 2: Convert to fraction form
    3,075.35/4,610.78 = 1,225.91/x
  3. Step 3: Cross multiply
    3,075.35x = 4,610.78 × 1,225.91
  4. Step 4: Simplify right side
    3,075.35x = 5,652,381.32
  5. Step 5: Solve for x
    x = 5,652,381.32/3,075.35
  6. Step 6: Final answer
    x = 1,837.97

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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.