Home / 3,637.40-5,013.78-2,850.08

Finding the Fourth Proportional to 3,637.40, 5,013.78 and 2,850.08

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Solution

The fourth proportional to 3,637.40, 5,013.78 and 2,850.08 is: 3,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.40 : 5,013.78 = 2,850.08 : x
  2. Step 2: Convert to fraction form
    3,637.40/5,013.78 = 2,850.08/x
  3. Step 3: Cross multiply
    3,637.40x = 5,013.78 × 2,850.08
  4. Step 4: Simplify right side
    3,637.40x = 14,289,674.10
  5. Step 5: Solve for x
    x = 14,289,674.10/3,637.40
  6. Step 6: Final answer
    x = 3,928.54

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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.