Home / 3,591.19-4,955.30-2,018.98

Finding the Fourth Proportional to 3,591.19, 4,955.30 and 2,018.98

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Solution

The fourth proportional to 3,591.19, 4,955.30 and 2,018.98 is: 2,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.19 : 4,955.30 = 2,018.98 : x
  2. Step 2: Convert to fraction form
    3,591.19/4,955.30 = 2,018.98/x
  3. Step 3: Cross multiply
    3,591.19x = 4,955.30 × 2,018.98
  4. Step 4: Simplify right side
    3,591.19x = 10,004,633.07
  5. Step 5: Solve for x
    x = 10,004,633.07/3,591.19
  6. Step 6: Final answer
    x = 2,785.89

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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.