Home / 4,215.19-5,817.52-2,645.41

Finding the Fourth Proportional to 4,215.19, 5,817.52 and 2,645.41

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Solution

The fourth proportional to 4,215.19, 5,817.52 and 2,645.41 is: 3,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.19 : 5,817.52 = 2,645.41 : x
  2. Step 2: Convert to fraction form
    4,215.19/5,817.52 = 2,645.41/x
  3. Step 3: Cross multiply
    4,215.19x = 5,817.52 × 2,645.41
  4. Step 4: Simplify right side
    4,215.19x = 15,389,725.25
  5. Step 5: Solve for x
    x = 15,389,725.25/4,215.19
  6. Step 6: Final answer
    x = 3,651.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.