Home / 3,715.19-5,572.79-1,661.75

Finding the Fourth Proportional to 3,715.19, 5,572.79 and 1,661.75

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Solution

The fourth proportional to 3,715.19, 5,572.79 and 1,661.75 is: 2,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.19 : 5,572.79 = 1,661.75 : x
  2. Step 2: Convert to fraction form
    3,715.19/5,572.79 = 1,661.75/x
  3. Step 3: Cross multiply
    3,715.19x = 5,572.79 × 1,661.75
  4. Step 4: Simplify right side
    3,715.19x = 9,260,583.78
  5. Step 5: Solve for x
    x = 9,260,583.78/3,715.19
  6. Step 6: Final answer
    x = 2,492.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.