Home / 3,225.64-4,839.81-1,377.13

Finding the Fourth Proportional to 3,225.64, 4,839.81 and 1,377.13

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Solution

The fourth proportional to 3,225.64, 4,839.81 and 1,377.13 is: 2,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.64 : 4,839.81 = 1,377.13 : x
  2. Step 2: Convert to fraction form
    3,225.64/4,839.81 = 1,377.13/x
  3. Step 3: Cross multiply
    3,225.64x = 4,839.81 × 1,377.13
  4. Step 4: Simplify right side
    3,225.64x = 6,665,047.55
  5. Step 5: Solve for x
    x = 6,665,047.55/3,225.64
  6. Step 6: Final answer
    x = 2,066.27

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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.