Home / 3,647.17-5,458.60-2,642.37

Finding the Fourth Proportional to 3,647.17, 5,458.60 and 2,642.37

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Solution

The fourth proportional to 3,647.17, 5,458.60 and 2,642.37 is: 3,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.17 : 5,458.60 = 2,642.37 : x
  2. Step 2: Convert to fraction form
    3,647.17/5,458.60 = 2,642.37/x
  3. Step 3: Cross multiply
    3,647.17x = 5,458.60 × 2,642.37
  4. Step 4: Simplify right side
    3,647.17x = 14,423,640.88
  5. Step 5: Solve for x
    x = 14,423,640.88/3,647.17
  6. Step 6: Final answer
    x = 3,954.75

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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.