Home / 3,151.29-4,349.06-1,735.21

Finding the Fourth Proportional to 3,151.29, 4,349.06 and 1,735.21

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Solution

The fourth proportional to 3,151.29, 4,349.06 and 1,735.21 is: 2,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.29 : 4,349.06 = 1,735.21 : x
  2. Step 2: Convert to fraction form
    3,151.29/4,349.06 = 1,735.21/x
  3. Step 3: Cross multiply
    3,151.29x = 4,349.06 × 1,735.21
  4. Step 4: Simplify right side
    3,151.29x = 7,546,532.40
  5. Step 5: Solve for x
    x = 7,546,532.40/3,151.29
  6. Step 6: Final answer
    x = 2,394.74

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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.