Home / 3,075.18-4,608.14-1,429.80

Finding the Fourth Proportional to 3,075.18, 4,608.14 and 1,429.80

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Solution

The fourth proportional to 3,075.18, 4,608.14 and 1,429.80 is: 2,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.18 : 4,608.14 = 1,429.80 : x
  2. Step 2: Convert to fraction form
    3,075.18/4,608.14 = 1,429.80/x
  3. Step 3: Cross multiply
    3,075.18x = 4,608.14 × 1,429.80
  4. Step 4: Simplify right side
    3,075.18x = 6,588,711.42
  5. Step 5: Solve for x
    x = 6,588,711.42/3,075.18
  6. Step 6: Final answer
    x = 2,142.54

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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.