Home / 3,126.92-4,316.71-2,417.16

Finding the Fourth Proportional to 3,126.92, 4,316.71 and 2,417.16

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Solution

The fourth proportional to 3,126.92, 4,316.71 and 2,417.16 is: 3,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.92 : 4,316.71 = 2,417.16 : x
  2. Step 2: Convert to fraction form
    3,126.92/4,316.71 = 2,417.16/x
  3. Step 3: Cross multiply
    3,126.92x = 4,316.71 × 2,417.16
  4. Step 4: Simplify right side
    3,126.92x = 10,434,157.16
  5. Step 5: Solve for x
    x = 10,434,157.16/3,126.92
  6. Step 6: Final answer
    x = 3,336.89

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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.