Home / 3,286.54-4,535.52-1,870.42

Finding the Fourth Proportional to 3,286.54, 4,535.52 and 1,870.42

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Solution

The fourth proportional to 3,286.54, 4,535.52 and 1,870.42 is: 2,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.54 : 4,535.52 = 1,870.42 : x
  2. Step 2: Convert to fraction form
    3,286.54/4,535.52 = 1,870.42/x
  3. Step 3: Cross multiply
    3,286.54x = 4,535.52 × 1,870.42
  4. Step 4: Simplify right side
    3,286.54x = 8,483,327.32
  5. Step 5: Solve for x
    x = 8,483,327.32/3,286.54
  6. Step 6: Final answer
    x = 2,581.23

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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.