Home / 1,995.14-2,987.04-1,302.60

Finding the Fourth Proportional to 1,995.14, 2,987.04 and 1,302.60

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Solution

The fourth proportional to 1,995.14, 2,987.04 and 1,302.60 is: 1,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.14 : 2,987.04 = 1,302.60 : x
  2. Step 2: Convert to fraction form
    1,995.14/2,987.04 = 1,302.60/x
  3. Step 3: Cross multiply
    1,995.14x = 2,987.04 × 1,302.60
  4. Step 4: Simplify right side
    1,995.14x = 3,890,918.30
  5. Step 5: Solve for x
    x = 3,890,918.30/1,995.14
  6. Step 6: Final answer
    x = 1,950.20

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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.