Home / 3,384.45-5,075.15-1,535.49

Finding the Fourth Proportional to 3,384.45, 5,075.15 and 1,535.49

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Solution

The fourth proportional to 3,384.45, 5,075.15 and 1,535.49 is: 2,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.45 : 5,075.15 = 1,535.49 : x
  2. Step 2: Convert to fraction form
    3,384.45/5,075.15 = 1,535.49/x
  3. Step 3: Cross multiply
    3,384.45x = 5,075.15 × 1,535.49
  4. Step 4: Simplify right side
    3,384.45x = 7,792,834.40
  5. Step 5: Solve for x
    x = 7,792,834.40/3,384.45
  6. Step 6: Final answer
    x = 2,302.54

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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.