Home / 3,708.08-5,117.28-2,137.76

Finding the Fourth Proportional to 3,708.08, 5,117.28 and 2,137.76

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Solution

The fourth proportional to 3,708.08, 5,117.28 and 2,137.76 is: 2,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.08 : 5,117.28 = 2,137.76 : x
  2. Step 2: Convert to fraction form
    3,708.08/5,117.28 = 2,137.76/x
  3. Step 3: Cross multiply
    3,708.08x = 5,117.28 × 2,137.76
  4. Step 4: Simplify right side
    3,708.08x = 10,939,516.49
  5. Step 5: Solve for x
    x = 10,939,516.49/3,708.08
  6. Step 6: Final answer
    x = 2,950.18

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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.