Home / 2,479.36-3,714.84-1,745.56

Finding the Fourth Proportional to 2,479.36, 3,714.84 and 1,745.56

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Solution

The fourth proportional to 2,479.36, 3,714.84 and 1,745.56 is: 2,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.36 : 3,714.84 = 1,745.56 : x
  2. Step 2: Convert to fraction form
    2,479.36/3,714.84 = 1,745.56/x
  3. Step 3: Cross multiply
    2,479.36x = 3,714.84 × 1,745.56
  4. Step 4: Simplify right side
    2,479.36x = 6,484,476.11
  5. Step 5: Solve for x
    x = 6,484,476.11/2,479.36
  6. Step 6: Final answer
    x = 2,615.38

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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.