Home / 3,453.81-5,176.08-1,260.45

Finding the Fourth Proportional to 3,453.81, 5,176.08 and 1,260.45

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Solution

The fourth proportional to 3,453.81, 5,176.08 and 1,260.45 is: 1,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.81 : 5,176.08 = 1,260.45 : x
  2. Step 2: Convert to fraction form
    3,453.81/5,176.08 = 1,260.45/x
  3. Step 3: Cross multiply
    3,453.81x = 5,176.08 × 1,260.45
  4. Step 4: Simplify right side
    3,453.81x = 6,524,190.04
  5. Step 5: Solve for x
    x = 6,524,190.04/3,453.81
  6. Step 6: Final answer
    x = 1,888.98

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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.