Home / 3,325.38-4,986.51-1,767.21

Finding the Fourth Proportional to 3,325.38, 4,986.51 and 1,767.21

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Solution

The fourth proportional to 3,325.38, 4,986.51 and 1,767.21 is: 2,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.38 : 4,986.51 = 1,767.21 : x
  2. Step 2: Convert to fraction form
    3,325.38/4,986.51 = 1,767.21/x
  3. Step 3: Cross multiply
    3,325.38x = 4,986.51 × 1,767.21
  4. Step 4: Simplify right side
    3,325.38x = 8,812,210.34
  5. Step 5: Solve for x
    x = 8,812,210.34/3,325.38
  6. Step 6: Final answer
    x = 2,649.99

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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.