Home / 3,135.67-4,327.10-1,719.32

Finding the Fourth Proportional to 3,135.67, 4,327.10 and 1,719.32

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Solution

The fourth proportional to 3,135.67, 4,327.10 and 1,719.32 is: 2,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.67 : 4,327.10 = 1,719.32 : x
  2. Step 2: Convert to fraction form
    3,135.67/4,327.10 = 1,719.32/x
  3. Step 3: Cross multiply
    3,135.67x = 4,327.10 × 1,719.32
  4. Step 4: Simplify right side
    3,135.67x = 7,439,684.69
  5. Step 5: Solve for x
    x = 7,439,684.69/3,135.67
  6. Step 6: Final answer
    x = 2,372.60

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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.