Home / 4,141.40-6,216.95-1,678.19

Finding the Fourth Proportional to 4,141.40, 6,216.95 and 1,678.19

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Solution

The fourth proportional to 4,141.40, 6,216.95 and 1,678.19 is: 2,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.40 : 6,216.95 = 1,678.19 : x
  2. Step 2: Convert to fraction form
    4,141.40/6,216.95 = 1,678.19/x
  3. Step 3: Cross multiply
    4,141.40x = 6,216.95 × 1,678.19
  4. Step 4: Simplify right side
    4,141.40x = 10,433,196.43
  5. Step 5: Solve for x
    x = 10,433,196.43/4,141.40
  6. Step 6: Final answer
    x = 2,519.25

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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.