Home / 3,018.86-4,510.80-2,181.96

Finding the Fourth Proportional to 3,018.86, 4,510.80 and 2,181.96

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Solution

The fourth proportional to 3,018.86, 4,510.80 and 2,181.96 is: 3,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.86 : 4,510.80 = 2,181.96 : x
  2. Step 2: Convert to fraction form
    3,018.86/4,510.80 = 2,181.96/x
  3. Step 3: Cross multiply
    3,018.86x = 4,510.80 × 2,181.96
  4. Step 4: Simplify right side
    3,018.86x = 9,842,385.17
  5. Step 5: Solve for x
    x = 9,842,385.17/3,018.86
  6. Step 6: Final answer
    x = 3,260.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.