Home / 3,455.84-4,768.72-1,883.92

Finding the Fourth Proportional to 3,455.84, 4,768.72 and 1,883.92

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Solution

The fourth proportional to 3,455.84, 4,768.72 and 1,883.92 is: 2,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.84 : 4,768.72 = 1,883.92 : x
  2. Step 2: Convert to fraction form
    3,455.84/4,768.72 = 1,883.92/x
  3. Step 3: Cross multiply
    3,455.84x = 4,768.72 × 1,883.92
  4. Step 4: Simplify right side
    3,455.84x = 8,983,886.98
  5. Step 5: Solve for x
    x = 8,983,886.98/3,455.84
  6. Step 6: Final answer
    x = 2,599.62

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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.