Home / 2,987.05-4,480.58-1,037.88

Finding the Fourth Proportional to 2,987.05, 4,480.58 and 1,037.88

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Solution

The fourth proportional to 2,987.05, 4,480.58 and 1,037.88 is: 1,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.05 : 4,480.58 = 1,037.88 : x
  2. Step 2: Convert to fraction form
    2,987.05/4,480.58 = 1,037.88/x
  3. Step 3: Cross multiply
    2,987.05x = 4,480.58 × 1,037.88
  4. Step 4: Simplify right side
    2,987.05x = 4,650,304.37
  5. Step 5: Solve for x
    x = 4,650,304.37/2,987.05
  6. Step 6: Final answer
    x = 1,556.82

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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.