Home / 3,555.78-4,907.72-2,360.84

Finding the Fourth Proportional to 3,555.78, 4,907.72 and 2,360.84

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Solution

The fourth proportional to 3,555.78, 4,907.72 and 2,360.84 is: 3,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.78 : 4,907.72 = 2,360.84 : x
  2. Step 2: Convert to fraction form
    3,555.78/4,907.72 = 2,360.84/x
  3. Step 3: Cross multiply
    3,555.78x = 4,907.72 × 2,360.84
  4. Step 4: Simplify right side
    3,555.78x = 11,586,305.34
  5. Step 5: Solve for x
    x = 11,586,305.34/3,555.78
  6. Step 6: Final answer
    x = 3,258.44

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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.