Home / 3,378.31-4,661.52-1,885.99

Finding the Fourth Proportional to 3,378.31, 4,661.52 and 1,885.99

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Solution

The fourth proportional to 3,378.31, 4,661.52 and 1,885.99 is: 2,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.31 : 4,661.52 = 1,885.99 : x
  2. Step 2: Convert to fraction form
    3,378.31/4,661.52 = 1,885.99/x
  3. Step 3: Cross multiply
    3,378.31x = 4,661.52 × 1,885.99
  4. Step 4: Simplify right side
    3,378.31x = 8,791,570.12
  5. Step 5: Solve for x
    x = 8,791,570.12/3,378.31
  6. Step 6: Final answer
    x = 2,602.36

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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.