Home / 3,455.76-4,768.98-1,883.86

Finding the Fourth Proportional to 3,455.76, 4,768.98 and 1,883.86

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Solution

The fourth proportional to 3,455.76, 4,768.98 and 1,883.86 is: 2,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.76 : 4,768.98 = 1,883.86 : x
  2. Step 2: Convert to fraction form
    3,455.76/4,768.98 = 1,883.86/x
  3. Step 3: Cross multiply
    3,455.76x = 4,768.98 × 1,883.86
  4. Step 4: Simplify right side
    3,455.76x = 8,984,071.68
  5. Step 5: Solve for x
    x = 8,984,071.68/3,455.76
  6. Step 6: Final answer
    x = 2,599.74

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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.