Home / 2,438.12-3,649.77-1,339.16

Finding the Fourth Proportional to 2,438.12, 3,649.77 and 1,339.16

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Solution

The fourth proportional to 2,438.12, 3,649.77 and 1,339.16 is: 2,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.12 : 3,649.77 = 1,339.16 : x
  2. Step 2: Convert to fraction form
    2,438.12/3,649.77 = 1,339.16/x
  3. Step 3: Cross multiply
    2,438.12x = 3,649.77 × 1,339.16
  4. Step 4: Simplify right side
    2,438.12x = 4,887,607.74
  5. Step 5: Solve for x
    x = 4,887,607.74/2,438.12
  6. Step 6: Final answer
    x = 2,004.67

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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.