Home / 3,152.45-4,350.80-1,808.59

Finding the Fourth Proportional to 3,152.45, 4,350.80 and 1,808.59

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Solution

The fourth proportional to 3,152.45, 4,350.80 and 1,808.59 is: 2,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.45 : 4,350.80 = 1,808.59 : x
  2. Step 2: Convert to fraction form
    3,152.45/4,350.80 = 1,808.59/x
  3. Step 3: Cross multiply
    3,152.45x = 4,350.80 × 1,808.59
  4. Step 4: Simplify right side
    3,152.45x = 7,868,813.37
  5. Step 5: Solve for x
    x = 7,868,813.37/3,152.45
  6. Step 6: Final answer
    x = 2,496.09

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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.