Home / 3,378.00-4,661.60-1,885.82

Finding the Fourth Proportional to 3,378.00, 4,661.60 and 1,885.82

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Solution

The fourth proportional to 3,378.00, 4,661.60 and 1,885.82 is: 2,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.00 : 4,661.60 = 1,885.82 : x
  2. Step 2: Convert to fraction form
    3,378.00/4,661.60 = 1,885.82/x
  3. Step 3: Cross multiply
    3,378.00x = 4,661.60 × 1,885.82
  4. Step 4: Simplify right side
    3,378.00x = 8,790,931.57
  5. Step 5: Solve for x
    x = 8,790,931.57/3,378.00
  6. Step 6: Final answer
    x = 2,602.41

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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.