Home / 3,417.05-5,125.56-2,638.19

Finding the Fourth Proportional to 3,417.05, 5,125.56 and 2,638.19

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Solution

The fourth proportional to 3,417.05, 5,125.56 and 2,638.19 is: 3,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.05 : 5,125.56 = 2,638.19 : x
  2. Step 2: Convert to fraction form
    3,417.05/5,125.56 = 2,638.19/x
  3. Step 3: Cross multiply
    3,417.05x = 5,125.56 × 2,638.19
  4. Step 4: Simplify right side
    3,417.05x = 13,522,185.40
  5. Step 5: Solve for x
    x = 13,522,185.40/3,417.05
  6. Step 6: Final answer
    x = 3,957.27

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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.