Home / 3,286.63-4,535.35-1,870.12

Finding the Fourth Proportional to 3,286.63, 4,535.35 and 1,870.12

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Solution

The fourth proportional to 3,286.63, 4,535.35 and 1,870.12 is: 2,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.63 : 4,535.35 = 1,870.12 : x
  2. Step 2: Convert to fraction form
    3,286.63/4,535.35 = 1,870.12/x
  3. Step 3: Cross multiply
    3,286.63x = 4,535.35 × 1,870.12
  4. Step 4: Simplify right side
    3,286.63x = 8,481,648.74
  5. Step 5: Solve for x
    x = 8,481,648.74/3,286.63
  6. Step 6: Final answer
    x = 2,580.65

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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.