Home / 3,126.77-4,316.91-2,008.16

Finding the Fourth Proportional to 3,126.77, 4,316.91 and 2,008.16

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Solution

The fourth proportional to 3,126.77, 4,316.91 and 2,008.16 is: 2,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.77 : 4,316.91 = 2,008.16 : x
  2. Step 2: Convert to fraction form
    3,126.77/4,316.91 = 2,008.16/x
  3. Step 3: Cross multiply
    3,126.77x = 4,316.91 × 2,008.16
  4. Step 4: Simplify right side
    3,126.77x = 8,669,045.99
  5. Step 5: Solve for x
    x = 8,669,045.99/3,126.77
  6. Step 6: Final answer
    x = 2,772.52

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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.