Home / 3,628.08-5,440.10-1,775.21

Finding the Fourth Proportional to 3,628.08, 5,440.10 and 1,775.21

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Solution

The fourth proportional to 3,628.08, 5,440.10 and 1,775.21 is: 2,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.08 : 5,440.10 = 1,775.21 : x
  2. Step 2: Convert to fraction form
    3,628.08/5,440.10 = 1,775.21/x
  3. Step 3: Cross multiply
    3,628.08x = 5,440.10 × 1,775.21
  4. Step 4: Simplify right side
    3,628.08x = 9,657,283.84
  5. Step 5: Solve for x
    x = 9,657,283.84/3,628.08
  6. Step 6: Final answer
    x = 2,661.82

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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.