Home / 3,271.19-4,907.39-1,324.76

Finding the Fourth Proportional to 3,271.19, 4,907.39 and 1,324.76

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Solution

The fourth proportional to 3,271.19, 4,907.39 and 1,324.76 is: 1,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.19 : 4,907.39 = 1,324.76 : x
  2. Step 2: Convert to fraction form
    3,271.19/4,907.39 = 1,324.76/x
  3. Step 3: Cross multiply
    3,271.19x = 4,907.39 × 1,324.76
  4. Step 4: Simplify right side
    3,271.19x = 6,501,082.82
  5. Step 5: Solve for x
    x = 6,501,082.82/3,271.19
  6. Step 6: Final answer
    x = 1,987.38

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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.