Home / 2,256.10-3,114.06-1,372.20

Finding the Fourth Proportional to 2,256.10, 3,114.06 and 1,372.20

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Solution

The fourth proportional to 2,256.10, 3,114.06 and 1,372.20 is: 1,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.10 : 3,114.06 = 1,372.20 : x
  2. Step 2: Convert to fraction form
    2,256.10/3,114.06 = 1,372.20/x
  3. Step 3: Cross multiply
    2,256.10x = 3,114.06 × 1,372.20
  4. Step 4: Simplify right side
    2,256.10x = 4,273,113.13
  5. Step 5: Solve for x
    x = 4,273,113.13/2,256.10
  6. Step 6: Final answer
    x = 1,894.03

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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.