Home / 3,482.64-5,222.72-1,260.90

Finding the Fourth Proportional to 3,482.64, 5,222.72 and 1,260.90

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Solution

The fourth proportional to 3,482.64, 5,222.72 and 1,260.90 is: 1,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.64 : 5,222.72 = 1,260.90 : x
  2. Step 2: Convert to fraction form
    3,482.64/5,222.72 = 1,260.90/x
  3. Step 3: Cross multiply
    3,482.64x = 5,222.72 × 1,260.90
  4. Step 4: Simplify right side
    3,482.64x = 6,585,321.34
  5. Step 5: Solve for x
    x = 6,585,321.34/3,482.64
  6. Step 6: Final answer
    x = 1,890.90

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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.