Home / 3,247.72-4,871.58-1,860.10

Finding the Fourth Proportional to 3,247.72, 4,871.58 and 1,860.10

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Solution

The fourth proportional to 3,247.72, 4,871.58 and 1,860.10 is: 2,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.72 : 4,871.58 = 1,860.10 : x
  2. Step 2: Convert to fraction form
    3,247.72/4,871.58 = 1,860.10/x
  3. Step 3: Cross multiply
    3,247.72x = 4,871.58 × 1,860.10
  4. Step 4: Simplify right side
    3,247.72x = 9,061,622.50
  5. Step 5: Solve for x
    x = 9,061,622.50/3,247.72
  6. Step 6: Final answer
    x = 2,790.15

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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.