Home / 3,286.46-4,535.40-1,870.35

Finding the Fourth Proportional to 3,286.46, 4,535.40 and 1,870.35

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Solution

The fourth proportional to 3,286.46, 4,535.40 and 1,870.35 is: 2,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.46 : 4,535.40 = 1,870.35 : x
  2. Step 2: Convert to fraction form
    3,286.46/4,535.40 = 1,870.35/x
  3. Step 3: Cross multiply
    3,286.46x = 4,535.40 × 1,870.35
  4. Step 4: Simplify right side
    3,286.46x = 8,482,785.39
  5. Step 5: Solve for x
    x = 8,482,785.39/3,286.46
  6. Step 6: Final answer
    x = 2,581.14

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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.