Home / 3,555.84-5,328.96-2,255.04

Finding the Fourth Proportional to 3,555.84, 5,328.96 and 2,255.04

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Solution

The fourth proportional to 3,555.84, 5,328.96 and 2,255.04 is: 3,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.84 : 5,328.96 = 2,255.04 : x
  2. Step 2: Convert to fraction form
    3,555.84/5,328.96 = 2,255.04/x
  3. Step 3: Cross multiply
    3,555.84x = 5,328.96 × 2,255.04
  4. Step 4: Simplify right side
    3,555.84x = 12,017,017.96
  5. Step 5: Solve for x
    x = 12,017,017.96/3,555.84
  6. Step 6: Final answer
    x = 3,379.52

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1.5x scale

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.