Home / 3,135.96-4,327.59-1,719.63

Finding the Fourth Proportional to 3,135.96, 4,327.59 and 1,719.63

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Solution

The fourth proportional to 3,135.96, 4,327.59 and 1,719.63 is: 2,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.96 : 4,327.59 = 1,719.63 : x
  2. Step 2: Convert to fraction form
    3,135.96/4,327.59 = 1,719.63/x
  3. Step 3: Cross multiply
    3,135.96x = 4,327.59 × 1,719.63
  4. Step 4: Simplify right side
    3,135.96x = 7,441,853.59
  5. Step 5: Solve for x
    x = 7,441,853.59/3,135.96
  6. Step 6: Final answer
    x = 2,373.07

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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.