Home / 2,205.50-3,306.02-1,384.35

Finding the Fourth Proportional to 2,205.50, 3,306.02 and 1,384.35

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Solution

The fourth proportional to 2,205.50, 3,306.02 and 1,384.35 is: 2,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.50 : 3,306.02 = 1,384.35 : x
  2. Step 2: Convert to fraction form
    2,205.50/3,306.02 = 1,384.35/x
  3. Step 3: Cross multiply
    2,205.50x = 3,306.02 × 1,384.35
  4. Step 4: Simplify right side
    2,205.50x = 4,576,688.79
  5. Step 5: Solve for x
    x = 4,576,688.79/2,205.50
  6. Step 6: Final answer
    x = 2,075.13

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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.