Home / 4,012.38-5,537.64-2,419.08

Finding the Fourth Proportional to 4,012.38, 5,537.64 and 2,419.08

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Solution

The fourth proportional to 4,012.38, 5,537.64 and 2,419.08 is: 3,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.38 : 5,537.64 = 2,419.08 : x
  2. Step 2: Convert to fraction form
    4,012.38/5,537.64 = 2,419.08/x
  3. Step 3: Cross multiply
    4,012.38x = 5,537.64 × 2,419.08
  4. Step 4: Simplify right side
    4,012.38x = 13,395,994.17
  5. Step 5: Solve for x
    x = 13,395,994.17/4,012.38
  6. Step 6: Final answer
    x = 3,338.67

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Half scale
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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.