Home / 3,678.90-5,515.11-1,733.46

Finding the Fourth Proportional to 3,678.90, 5,515.11 and 1,733.46

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Solution

The fourth proportional to 3,678.90, 5,515.11 and 1,733.46 is: 2,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.90 : 5,515.11 = 1,733.46 : x
  2. Step 2: Convert to fraction form
    3,678.90/5,515.11 = 1,733.46/x
  3. Step 3: Cross multiply
    3,678.90x = 5,515.11 × 1,733.46
  4. Step 4: Simplify right side
    3,678.90x = 9,560,222.58
  5. Step 5: Solve for x
    x = 9,560,222.58/3,678.90
  6. Step 6: Final answer
    x = 2,598.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.