Home / 3,178.59-4,767.64-1,617.62

Finding the Fourth Proportional to 3,178.59, 4,767.64 and 1,617.62

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Solution

The fourth proportional to 3,178.59, 4,767.64 and 1,617.62 is: 2,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.59 : 4,767.64 = 1,617.62 : x
  2. Step 2: Convert to fraction form
    3,178.59/4,767.64 = 1,617.62/x
  3. Step 3: Cross multiply
    3,178.59x = 4,767.64 × 1,617.62
  4. Step 4: Simplify right side
    3,178.59x = 7,712,211.03
  5. Step 5: Solve for x
    x = 7,712,211.03/3,178.59
  6. Step 6: Final answer
    x = 2,426.30

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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.