Home / 1,708.44-2,565.09-1,618.80

Finding the Fourth Proportional to 1,708.44, 2,565.09 and 1,618.80

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Solution

The fourth proportional to 1,708.44, 2,565.09 and 1,618.80 is: 2,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.44 : 2,565.09 = 1,618.80 : x
  2. Step 2: Convert to fraction form
    1,708.44/2,565.09 = 1,618.80/x
  3. Step 3: Cross multiply
    1,708.44x = 2,565.09 × 1,618.80
  4. Step 4: Simplify right side
    1,708.44x = 4,152,367.69
  5. Step 5: Solve for x
    x = 4,152,367.69/1,708.44
  6. Step 6: Final answer
    x = 2,430.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.