Home / 3,130.29-4,696.52-1,399.59

Finding the Fourth Proportional to 3,130.29, 4,696.52 and 1,399.59

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Solution

The fourth proportional to 3,130.29, 4,696.52 and 1,399.59 is: 2,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.29 : 4,696.52 = 1,399.59 : x
  2. Step 2: Convert to fraction form
    3,130.29/4,696.52 = 1,399.59/x
  3. Step 3: Cross multiply
    3,130.29x = 4,696.52 × 1,399.59
  4. Step 4: Simplify right side
    3,130.29x = 6,573,195.43
  5. Step 5: Solve for x
    x = 6,573,195.43/3,130.29
  6. Step 6: Final answer
    x = 2,099.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.