Home / 1,708.65-2,342.56-1,677.51

Finding the Fourth Proportional to 1,708.65, 2,342.56 and 1,677.51

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Solution

The fourth proportional to 1,708.65, 2,342.56 and 1,677.51 is: 2,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.65 : 2,342.56 = 1,677.51 : x
  2. Step 2: Convert to fraction form
    1,708.65/2,342.56 = 1,677.51/x
  3. Step 3: Cross multiply
    1,708.65x = 2,342.56 × 1,677.51
  4. Step 4: Simplify right side
    1,708.65x = 3,929,665.20
  5. Step 5: Solve for x
    x = 3,929,665.20/1,708.65
  6. Step 6: Final answer
    x = 2,299.87

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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.