Home / 1,708.96-2,567.76-1,657.12

Finding the Fourth Proportional to 1,708.96, 2,567.76 and 1,657.12

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Solution

The fourth proportional to 1,708.96, 2,567.76 and 1,657.12 is: 2,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.96 : 2,567.76 = 1,657.12 : x
  2. Step 2: Convert to fraction form
    1,708.96/2,567.76 = 1,657.12/x
  3. Step 3: Cross multiply
    1,708.96x = 2,567.76 × 1,657.12
  4. Step 4: Simplify right side
    1,708.96x = 4,255,086.45
  5. Step 5: Solve for x
    x = 4,255,086.45/1,708.96
  6. Step 6: Final answer
    x = 2,489.87

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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.