Home / 4,238.36-6,357.54-1,641.30

Finding the Fourth Proportional to 4,238.36, 6,357.54 and 1,641.30

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Solution

The fourth proportional to 4,238.36, 6,357.54 and 1,641.30 is: 2,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.36 : 6,357.54 = 1,641.30 : x
  2. Step 2: Convert to fraction form
    4,238.36/6,357.54 = 1,641.30/x
  3. Step 3: Cross multiply
    4,238.36x = 6,357.54 × 1,641.30
  4. Step 4: Simplify right side
    4,238.36x = 10,434,622.46
  5. Step 5: Solve for x
    x = 10,434,622.46/4,238.36
  6. Step 6: Final answer
    x = 2,461.95

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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.