Home / 3,623.61-5,434.26-1,868.07

Finding the Fourth Proportional to 3,623.61, 5,434.26 and 1,868.07

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Solution

The fourth proportional to 3,623.61, 5,434.26 and 1,868.07 is: 2,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.61 : 5,434.26 = 1,868.07 : x
  2. Step 2: Convert to fraction form
    3,623.61/5,434.26 = 1,868.07/x
  3. Step 3: Cross multiply
    3,623.61x = 5,434.26 × 1,868.07
  4. Step 4: Simplify right side
    3,623.61x = 10,151,578.08
  5. Step 5: Solve for x
    x = 10,151,578.08/3,623.61
  6. Step 6: Final answer
    x = 2,801.51

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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.