Home / 3,307.56-4,959.62-1,115.50

Finding the Fourth Proportional to 3,307.56, 4,959.62 and 1,115.50

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Solution

The fourth proportional to 3,307.56, 4,959.62 and 1,115.50 is: 1,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.56 : 4,959.62 = 1,115.50 : x
  2. Step 2: Convert to fraction form
    3,307.56/4,959.62 = 1,115.50/x
  3. Step 3: Cross multiply
    3,307.56x = 4,959.62 × 1,115.50
  4. Step 4: Simplify right side
    3,307.56x = 5,532,456.11
  5. Step 5: Solve for x
    x = 5,532,456.11/3,307.56
  6. Step 6: Final answer
    x = 1,672.67

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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.