Home / 1,972.08-2,950.56-1,150.74

Finding the Fourth Proportional to 1,972.08, 2,950.56 and 1,150.74

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Solution

The fourth proportional to 1,972.08, 2,950.56 and 1,150.74 is: 1,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.08 : 2,950.56 = 1,150.74 : x
  2. Step 2: Convert to fraction form
    1,972.08/2,950.56 = 1,150.74/x
  3. Step 3: Cross multiply
    1,972.08x = 2,950.56 × 1,150.74
  4. Step 4: Simplify right side
    1,972.08x = 3,395,327.41
  5. Step 5: Solve for x
    x = 3,395,327.41/1,972.08
  6. Step 6: Final answer
    x = 1,721.70

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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.