Home / 1,712.93-2,348.43-1,681.79

Finding the Fourth Proportional to 1,712.93, 2,348.43 and 1,681.79

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Solution

The fourth proportional to 1,712.93, 2,348.43 and 1,681.79 is: 2,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.93 : 2,348.43 = 1,681.79 : x
  2. Step 2: Convert to fraction form
    1,712.93/2,348.43 = 1,681.79/x
  3. Step 3: Cross multiply
    1,712.93x = 2,348.43 × 1,681.79
  4. Step 4: Simplify right side
    1,712.93x = 3,949,566.09
  5. Step 5: Solve for x
    x = 3,949,566.09/1,712.93
  6. Step 6: Final answer
    x = 2,305.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.