Home / 3,075.21-4,610.01-1,126.95

Finding the Fourth Proportional to 3,075.21, 4,610.01 and 1,126.95

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Solution

The fourth proportional to 3,075.21, 4,610.01 and 1,126.95 is: 1,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.21 : 4,610.01 = 1,126.95 : x
  2. Step 2: Convert to fraction form
    3,075.21/4,610.01 = 1,126.95/x
  3. Step 3: Cross multiply
    3,075.21x = 4,610.01 × 1,126.95
  4. Step 4: Simplify right side
    3,075.21x = 5,195,250.77
  5. Step 5: Solve for x
    x = 5,195,250.77/3,075.21
  6. Step 6: Final answer
    x = 1,689.40

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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.