Home / 2,236.12-3,084.82-1,573.40

Finding the Fourth Proportional to 2,236.12, 3,084.82 and 1,573.40

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Solution

The fourth proportional to 2,236.12, 3,084.82 and 1,573.40 is: 2,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.12 : 3,084.82 = 1,573.40 : x
  2. Step 2: Convert to fraction form
    2,236.12/3,084.82 = 1,573.40/x
  3. Step 3: Cross multiply
    2,236.12x = 3,084.82 × 1,573.40
  4. Step 4: Simplify right side
    2,236.12x = 4,853,655.79
  5. Step 5: Solve for x
    x = 4,853,655.79/2,236.12
  6. Step 6: Final answer
    x = 2,170.57

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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.