Home / 3,455.57-4,768.69-1,883.67

Finding the Fourth Proportional to 3,455.57, 4,768.69 and 1,883.67

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Solution

The fourth proportional to 3,455.57, 4,768.69 and 1,883.67 is: 2,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.57 : 4,768.69 = 1,883.67 : x
  2. Step 2: Convert to fraction form
    3,455.57/4,768.69 = 1,883.67/x
  3. Step 3: Cross multiply
    3,455.57x = 4,768.69 × 1,883.67
  4. Step 4: Simplify right side
    3,455.57x = 8,982,638.29
  5. Step 5: Solve for x
    x = 8,982,638.29/3,455.57
  6. Step 6: Final answer
    x = 2,599.47

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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.