Home / 4,254.04-6,382.68-1,945

Finding the Fourth Proportional to 4,254.04, 6,382.68 and 1,945

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Solution

The fourth proportional to 4,254.04, 6,382.68 and 1,945 is: 2,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.04 : 6,382.68 = 1,945 : x
  2. Step 2: Convert to fraction form
    4,254.04/6,382.68 = 1,945/x
  3. Step 3: Cross multiply
    4,254.04x = 6,382.68 × 1,945
  4. Step 4: Simplify right side
    4,254.04x = 12,414,312.60
  5. Step 5: Solve for x
    x = 12,414,312.60/4,254.04
  6. Step 6: Final answer
    x = 2,918.24

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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.