Home / 1,980.41-2,967.53-1,004.76

Finding the Fourth Proportional to 1,980.41, 2,967.53 and 1,004.76

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Solution

The fourth proportional to 1,980.41, 2,967.53 and 1,004.76 is: 1,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.41 : 2,967.53 = 1,004.76 : x
  2. Step 2: Convert to fraction form
    1,980.41/2,967.53 = 1,004.76/x
  3. Step 3: Cross multiply
    1,980.41x = 2,967.53 × 1,004.76
  4. Step 4: Simplify right side
    1,980.41x = 2,981,650.42
  5. Step 5: Solve for x
    x = 2,981,650.42/1,980.41
  6. Step 6: Final answer
    x = 1,505.58

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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.