Home / 3,378.02-4,661.88-1,885.94

Finding the Fourth Proportional to 3,378.02, 4,661.88 and 1,885.94

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Solution

The fourth proportional to 3,378.02, 4,661.88 and 1,885.94 is: 2,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.02 : 4,661.88 = 1,885.94 : x
  2. Step 2: Convert to fraction form
    3,378.02/4,661.88 = 1,885.94/x
  3. Step 3: Cross multiply
    3,378.02x = 4,661.88 × 1,885.94
  4. Step 4: Simplify right side
    3,378.02x = 8,791,993.23
  5. Step 5: Solve for x
    x = 8,791,993.23/3,378.02
  6. Step 6: Final answer
    x = 2,602.71

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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.