Home / 2,644.22-3,648.84-1,712.72

Finding the Fourth Proportional to 2,644.22, 3,648.84 and 1,712.72

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Solution

The fourth proportional to 2,644.22, 3,648.84 and 1,712.72 is: 2,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.22 : 3,648.84 = 1,712.72 : x
  2. Step 2: Convert to fraction form
    2,644.22/3,648.84 = 1,712.72/x
  3. Step 3: Cross multiply
    2,644.22x = 3,648.84 × 1,712.72
  4. Step 4: Simplify right side
    2,644.22x = 6,249,441.24
  5. Step 5: Solve for x
    x = 6,249,441.24/2,644.22
  6. Step 6: Final answer
    x = 2,363.43

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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.