Home / 2,988.05-4,482.63-1,013.85

Finding the Fourth Proportional to 2,988.05, 4,482.63 and 1,013.85

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Solution

The fourth proportional to 2,988.05, 4,482.63 and 1,013.85 is: 1,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.05 : 4,482.63 = 1,013.85 : x
  2. Step 2: Convert to fraction form
    2,988.05/4,482.63 = 1,013.85/x
  3. Step 3: Cross multiply
    2,988.05x = 4,482.63 × 1,013.85
  4. Step 4: Simplify right side
    2,988.05x = 4,544,714.43
  5. Step 5: Solve for x
    x = 4,544,714.43/2,988.05
  6. Step 6: Final answer
    x = 1,520.97

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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.