Home / 1,372.95-2,060.64-1,297.62

Finding the Fourth Proportional to 1,372.95, 2,060.64 and 1,297.62

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Solution

The fourth proportional to 1,372.95, 2,060.64 and 1,297.62 is: 1,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.95 : 2,060.64 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    1,372.95/2,060.64 = 1,297.62/x
  3. Step 3: Cross multiply
    1,372.95x = 2,060.64 × 1,297.62
  4. Step 4: Simplify right side
    1,372.95x = 2,673,927.68
  5. Step 5: Solve for x
    x = 2,673,927.68/1,372.95
  6. Step 6: Final answer
    x = 1,947.58

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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.