Home / 1,713.13-2,368.78-1,685.34

Finding the Fourth Proportional to 1,713.13, 2,368.78 and 1,685.34

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Solution

The fourth proportional to 1,713.13, 2,368.78 and 1,685.34 is: 2,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.13 : 2,368.78 = 1,685.34 : x
  2. Step 2: Convert to fraction form
    1,713.13/2,368.78 = 1,685.34/x
  3. Step 3: Cross multiply
    1,713.13x = 2,368.78 × 1,685.34
  4. Step 4: Simplify right side
    1,713.13x = 3,992,195.47
  5. Step 5: Solve for x
    x = 3,992,195.47/1,713.13
  6. Step 6: Final answer
    x = 2,330.36

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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.