Home / 3,558.42-4,907.67-2,672.70

Finding the Fourth Proportional to 3,558.42, 4,907.67 and 2,672.70

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Solution

The fourth proportional to 3,558.42, 4,907.67 and 2,672.70 is: 3,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.42 : 4,907.67 = 2,672.70 : x
  2. Step 2: Convert to fraction form
    3,558.42/4,907.67 = 2,672.70/x
  3. Step 3: Cross multiply
    3,558.42x = 4,907.67 × 2,672.70
  4. Step 4: Simplify right side
    3,558.42x = 13,116,729.61
  5. Step 5: Solve for x
    x = 13,116,729.61/3,558.42
  6. Step 6: Final answer
    x = 3,686.11

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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.