Home / 3,124.58-4,311.93-1,708.26

Finding the Fourth Proportional to 3,124.58, 4,311.93 and 1,708.26

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Solution

The fourth proportional to 3,124.58, 4,311.93 and 1,708.26 is: 2,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.58 : 4,311.93 = 1,708.26 : x
  2. Step 2: Convert to fraction form
    3,124.58/4,311.93 = 1,708.26/x
  3. Step 3: Cross multiply
    3,124.58x = 4,311.93 × 1,708.26
  4. Step 4: Simplify right side
    3,124.58x = 7,365,897.54
  5. Step 5: Solve for x
    x = 7,365,897.54/3,124.58
  6. Step 6: Final answer
    x = 2,357.41

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1.5x scale

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.