Home / 3,623.14-5,434.80-1,775.80

Finding the Fourth Proportional to 3,623.14, 5,434.80 and 1,775.80

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Solution

The fourth proportional to 3,623.14, 5,434.80 and 1,775.80 is: 2,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.14 : 5,434.80 = 1,775.80 : x
  2. Step 2: Convert to fraction form
    3,623.14/5,434.80 = 1,775.80/x
  3. Step 3: Cross multiply
    3,623.14x = 5,434.80 × 1,775.80
  4. Step 4: Simplify right side
    3,623.14x = 9,651,117.84
  5. Step 5: Solve for x
    x = 9,651,117.84/3,623.14
  6. Step 6: Final answer
    x = 2,663.74

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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.