Home / 3,018.68-4,505.82-2,807.16

Finding the Fourth Proportional to 3,018.68, 4,505.82 and 2,807.16

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Solution

The fourth proportional to 3,018.68, 4,505.82 and 2,807.16 is: 4,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.68 : 4,505.82 = 2,807.16 : x
  2. Step 2: Convert to fraction form
    3,018.68/4,505.82 = 2,807.16/x
  3. Step 3: Cross multiply
    3,018.68x = 4,505.82 × 2,807.16
  4. Step 4: Simplify right side
    3,018.68x = 12,648,557.67
  5. Step 5: Solve for x
    x = 12,648,557.67/3,018.68
  6. Step 6: Final answer
    x = 4,190.10

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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.