Home / 3,125.59-4,313.37-1,709.29

Finding the Fourth Proportional to 3,125.59, 4,313.37 and 1,709.29

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Solution

The fourth proportional to 3,125.59, 4,313.37 and 1,709.29 is: 2,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.59 : 4,313.37 = 1,709.29 : x
  2. Step 2: Convert to fraction form
    3,125.59/4,313.37 = 1,709.29/x
  3. Step 3: Cross multiply
    3,125.59x = 4,313.37 × 1,709.29
  4. Step 4: Simplify right side
    3,125.59x = 7,372,800.21
  5. Step 5: Solve for x
    x = 7,372,800.21/3,125.59
  6. Step 6: Final answer
    x = 2,358.85

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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.