Home / 1,962.05-2,937.68-1,530.05

Finding the Fourth Proportional to 1,962.05, 2,937.68 and 1,530.05

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Solution

The fourth proportional to 1,962.05, 2,937.68 and 1,530.05 is: 2,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.05 : 2,937.68 = 1,530.05 : x
  2. Step 2: Convert to fraction form
    1,962.05/2,937.68 = 1,530.05/x
  3. Step 3: Cross multiply
    1,962.05x = 2,937.68 × 1,530.05
  4. Step 4: Simplify right side
    1,962.05x = 4,494,789.63
  5. Step 5: Solve for x
    x = 4,494,789.63/1,962.05
  6. Step 6: Final answer
    x = 2,290.86

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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.