Home / 3,555.42-4,907.16-2,211.50

Finding the Fourth Proportional to 3,555.42, 4,907.16 and 2,211.50

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Solution

The fourth proportional to 3,555.42, 4,907.16 and 2,211.50 is: 3,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.42 : 4,907.16 = 2,211.50 : x
  2. Step 2: Convert to fraction form
    3,555.42/4,907.16 = 2,211.50/x
  3. Step 3: Cross multiply
    3,555.42x = 4,907.16 × 2,211.50
  4. Step 4: Simplify right side
    3,555.42x = 10,852,159.80
  5. Step 5: Solve for x
    x = 10,852,159.80/3,555.42
  6. Step 6: Final answer
    x = 3,052.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.