Home / 3,286.64-4,535.83-1,870.39

Finding the Fourth Proportional to 3,286.64, 4,535.83 and 1,870.39

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Solution

The fourth proportional to 3,286.64, 4,535.83 and 1,870.39 is: 2,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.64 : 4,535.83 = 1,870.39 : x
  2. Step 2: Convert to fraction form
    3,286.64/4,535.83 = 1,870.39/x
  3. Step 3: Cross multiply
    3,286.64x = 4,535.83 × 1,870.39
  4. Step 4: Simplify right side
    3,286.64x = 8,483,779.08
  5. Step 5: Solve for x
    x = 8,483,779.08/3,286.64
  6. Step 6: Final answer
    x = 2,581.29

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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.