Home / 3,139.26-4,336.67-2,508.93

Finding the Fourth Proportional to 3,139.26, 4,336.67 and 2,508.93

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Solution

The fourth proportional to 3,139.26, 4,336.67 and 2,508.93 is: 3,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.26 : 4,336.67 = 2,508.93 : x
  2. Step 2: Convert to fraction form
    3,139.26/4,336.67 = 2,508.93/x
  3. Step 3: Cross multiply
    3,139.26x = 4,336.67 × 2,508.93
  4. Step 4: Simplify right side
    3,139.26x = 10,880,401.46
  5. Step 5: Solve for x
    x = 10,880,401.46/3,139.26
  6. Step 6: Final answer
    x = 3,465.91

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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.