Home / 3,715.76-5,126.84-2,224.16

Finding the Fourth Proportional to 3,715.76, 5,126.84 and 2,224.16

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Solution

The fourth proportional to 3,715.76, 5,126.84 and 2,224.16 is: 3,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.76 : 5,126.84 = 2,224.16 : x
  2. Step 2: Convert to fraction form
    3,715.76/5,126.84 = 2,224.16/x
  3. Step 3: Cross multiply
    3,715.76x = 5,126.84 × 2,224.16
  4. Step 4: Simplify right side
    3,715.76x = 11,402,912.45
  5. Step 5: Solve for x
    x = 11,402,912.45/3,715.76
  6. Step 6: Final answer
    x = 3,068.80

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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.