Home / 3,415.54-4,714.18-2,018.50

Finding the Fourth Proportional to 3,415.54, 4,714.18 and 2,018.50

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Solution

The fourth proportional to 3,415.54, 4,714.18 and 2,018.50 is: 2,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.54 : 4,714.18 = 2,018.50 : x
  2. Step 2: Convert to fraction form
    3,415.54/4,714.18 = 2,018.50/x
  3. Step 3: Cross multiply
    3,415.54x = 4,714.18 × 2,018.50
  4. Step 4: Simplify right side
    3,415.54x = 9,515,548.76
  5. Step 5: Solve for x
    x = 9,515,548.76/3,415.54
  6. Step 6: Final answer
    x = 2,785.96

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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.