Home / 3,628.78-5,444.20-1,875.06

Finding the Fourth Proportional to 3,628.78, 5,444.20 and 1,875.06

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Solution

The fourth proportional to 3,628.78, 5,444.20 and 1,875.06 is: 2,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.78 : 5,444.20 = 1,875.06 : x
  2. Step 2: Convert to fraction form
    3,628.78/5,444.20 = 1,875.06/x
  3. Step 3: Cross multiply
    3,628.78x = 5,444.20 × 1,875.06
  4. Step 4: Simplify right side
    3,628.78x = 10,208,201.65
  5. Step 5: Solve for x
    x = 10,208,201.65/3,628.78
  6. Step 6: Final answer
    x = 2,813.12

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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.