Home / 2,553.71-3,522.20-1,715.36

Finding the Fourth Proportional to 2,553.71, 3,522.20 and 1,715.36

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Solution

The fourth proportional to 2,553.71, 3,522.20 and 1,715.36 is: 2,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.71 : 3,522.20 = 1,715.36 : x
  2. Step 2: Convert to fraction form
    2,553.71/3,522.20 = 1,715.36/x
  3. Step 3: Cross multiply
    2,553.71x = 3,522.20 × 1,715.36
  4. Step 4: Simplify right side
    2,553.71x = 6,041,814.80
  5. Step 5: Solve for x
    x = 6,041,814.80/2,553.71
  6. Step 6: Final answer
    x = 2,365.90

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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.