Home / 1,708.20-2,359.08-1,698.48

Finding the Fourth Proportional to 1,708.20, 2,359.08 and 1,698.48

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Solution

The fourth proportional to 1,708.20, 2,359.08 and 1,698.48 is: 2,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.20 : 2,359.08 = 1,698.48 : x
  2. Step 2: Convert to fraction form
    1,708.20/2,359.08 = 1,698.48/x
  3. Step 3: Cross multiply
    1,708.20x = 2,359.08 × 1,698.48
  4. Step 4: Simplify right side
    1,708.20x = 4,006,850.20
  5. Step 5: Solve for x
    x = 4,006,850.20/1,708.20
  6. Step 6: Final answer
    x = 2,345.66

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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.