Home / 2,435.12-3,360.26-1,372.82

Finding the Fourth Proportional to 2,435.12, 3,360.26 and 1,372.82

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Solution

The fourth proportional to 2,435.12, 3,360.26 and 1,372.82 is: 1,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.12 : 3,360.26 = 1,372.82 : x
  2. Step 2: Convert to fraction form
    2,435.12/3,360.26 = 1,372.82/x
  3. Step 3: Cross multiply
    2,435.12x = 3,360.26 × 1,372.82
  4. Step 4: Simplify right side
    2,435.12x = 4,613,025.27
  5. Step 5: Solve for x
    x = 4,613,025.27/2,435.12
  6. Step 6: Final answer
    x = 1,894.38

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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.