Home / 1,713.06-2,361.38-1,397.77

Finding the Fourth Proportional to 1,713.06, 2,361.38 and 1,397.77

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Solution

The fourth proportional to 1,713.06, 2,361.38 and 1,397.77 is: 1,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.06 : 2,361.38 = 1,397.77 : x
  2. Step 2: Convert to fraction form
    1,713.06/2,361.38 = 1,397.77/x
  3. Step 3: Cross multiply
    1,713.06x = 2,361.38 × 1,397.77
  4. Step 4: Simplify right side
    1,713.06x = 3,300,652.57
  5. Step 5: Solve for x
    x = 3,300,652.57/1,713.06
  6. Step 6: Final answer
    x = 1,926.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.