Home / 1,887.43-2,827.46-1,236.19

Finding the Fourth Proportional to 1,887.43, 2,827.46 and 1,236.19

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Solution

The fourth proportional to 1,887.43, 2,827.46 and 1,236.19 is: 1,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.43 : 2,827.46 = 1,236.19 : x
  2. Step 2: Convert to fraction form
    1,887.43/2,827.46 = 1,236.19/x
  3. Step 3: Cross multiply
    1,887.43x = 2,827.46 × 1,236.19
  4. Step 4: Simplify right side
    1,887.43x = 3,495,277.78
  5. Step 5: Solve for x
    x = 3,495,277.78/1,887.43
  6. Step 6: Final answer
    x = 1,851.87

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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.