Home / 2,881.43-4,318.53-1,236.06

Finding the Fourth Proportional to 2,881.43, 4,318.53 and 1,236.06

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Solution

The fourth proportional to 2,881.43, 4,318.53 and 1,236.06 is: 1,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.43 : 4,318.53 = 1,236.06 : x
  2. Step 2: Convert to fraction form
    2,881.43/4,318.53 = 1,236.06/x
  3. Step 3: Cross multiply
    2,881.43x = 4,318.53 × 1,236.06
  4. Step 4: Simplify right side
    2,881.43x = 5,337,962.19
  5. Step 5: Solve for x
    x = 5,337,962.19/2,881.43
  6. Step 6: Final answer
    x = 1,852.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.