Home / 3,895.29-5,376.26-2,715.68

Finding the Fourth Proportional to 3,895.29, 5,376.26 and 2,715.68

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Solution

The fourth proportional to 3,895.29, 5,376.26 and 2,715.68 is: 3,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.29 : 5,376.26 = 2,715.68 : x
  2. Step 2: Convert to fraction form
    3,895.29/5,376.26 = 2,715.68/x
  3. Step 3: Cross multiply
    3,895.29x = 5,376.26 × 2,715.68
  4. Step 4: Simplify right side
    3,895.29x = 14,600,201.76
  5. Step 5: Solve for x
    x = 14,600,201.76/3,895.29
  6. Step 6: Final answer
    x = 3,748.17

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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.