Home / 1,370.30-2,060.00-1,268.84

Finding the Fourth Proportional to 1,370.30, 2,060.00 and 1,268.84

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Solution

The fourth proportional to 1,370.30, 2,060.00 and 1,268.84 is: 1,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.30 : 2,060.00 = 1,268.84 : x
  2. Step 2: Convert to fraction form
    1,370.30/2,060.00 = 1,268.84/x
  3. Step 3: Cross multiply
    1,370.30x = 2,060.00 × 1,268.84
  4. Step 4: Simplify right side
    1,370.30x = 2,613,804.06
  5. Step 5: Solve for x
    x = 2,613,804.06/1,370.30
  6. Step 6: Final answer
    x = 1,907.47

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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.