Home / 3,557.12-4,894.08-3,453.44

Finding the Fourth Proportional to 3,557.12, 4,894.08 and 3,453.44

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Solution

The fourth proportional to 3,557.12, 4,894.08 and 3,453.44 is: 4,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.12 : 4,894.08 = 3,453.44 : x
  2. Step 2: Convert to fraction form
    3,557.12/4,894.08 = 3,453.44/x
  3. Step 3: Cross multiply
    3,557.12x = 4,894.08 × 3,453.44
  4. Step 4: Simplify right side
    3,557.12x = 16,901,411.64
  5. Step 5: Solve for x
    x = 16,901,411.64/3,557.12
  6. Step 6: Final answer
    x = 4,751.43

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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.