Home / 1,708.08-2,560.64-1,611.50

Finding the Fourth Proportional to 1,708.08, 2,560.64 and 1,611.50

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Solution

The fourth proportional to 1,708.08, 2,560.64 and 1,611.50 is: 2,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.08 : 2,560.64 = 1,611.50 : x
  2. Step 2: Convert to fraction form
    1,708.08/2,560.64 = 1,611.50/x
  3. Step 3: Cross multiply
    1,708.08x = 2,560.64 × 1,611.50
  4. Step 4: Simplify right side
    1,708.08x = 4,126,471.36
  5. Step 5: Solve for x
    x = 4,126,471.36/1,708.08
  6. Step 6: Final answer
    x = 2,415.85

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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.