Home / 3,018.88-4,528.32-1,479.04

Finding the Fourth Proportional to 3,018.88, 4,528.32 and 1,479.04

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Solution

The fourth proportional to 3,018.88, 4,528.32 and 1,479.04 is: 2,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.88 : 4,528.32 = 1,479.04 : x
  2. Step 2: Convert to fraction form
    3,018.88/4,528.32 = 1,479.04/x
  3. Step 3: Cross multiply
    3,018.88x = 4,528.32 × 1,479.04
  4. Step 4: Simplify right side
    3,018.88x = 6,697,566.41
  5. Step 5: Solve for x
    x = 6,697,566.41/3,018.88
  6. Step 6: Final answer
    x = 2,218.56

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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.