Home / 3,455.63-4,768.77-1,883.72

Finding the Fourth Proportional to 3,455.63, 4,768.77 and 1,883.72

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Solution

The fourth proportional to 3,455.63, 4,768.77 and 1,883.72 is: 2,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.63 : 4,768.77 = 1,883.72 : x
  2. Step 2: Convert to fraction form
    3,455.63/4,768.77 = 1,883.72/x
  3. Step 3: Cross multiply
    3,455.63x = 4,768.77 × 1,883.72
  4. Step 4: Simplify right side
    3,455.63x = 8,983,003.58
  5. Step 5: Solve for x
    x = 8,983,003.58/3,455.63
  6. Step 6: Final answer
    x = 2,599.53

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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.