Home / 3,035.90-4,189.49-1,709.60

Finding the Fourth Proportional to 3,035.90, 4,189.49 and 1,709.60

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Solution

The fourth proportional to 3,035.90, 4,189.49 and 1,709.60 is: 2,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.90 : 4,189.49 = 1,709.60 : x
  2. Step 2: Convert to fraction form
    3,035.90/4,189.49 = 1,709.60/x
  3. Step 3: Cross multiply
    3,035.90x = 4,189.49 × 1,709.60
  4. Step 4: Simplify right side
    3,035.90x = 7,162,322.61
  5. Step 5: Solve for x
    x = 7,162,322.61/3,035.90
  6. Step 6: Final answer
    x = 2,359.21

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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.