Home / 1,451.96-2,160.54-1,447.12

Finding the Fourth Proportional to 1,451.96, 2,160.54 and 1,447.12

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Solution

The fourth proportional to 1,451.96, 2,160.54 and 1,447.12 is: 2,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.96 : 2,160.54 = 1,447.12 : x
  2. Step 2: Convert to fraction form
    1,451.96/2,160.54 = 1,447.12/x
  3. Step 3: Cross multiply
    1,451.96x = 2,160.54 × 1,447.12
  4. Step 4: Simplify right side
    1,451.96x = 3,126,560.64
  5. Step 5: Solve for x
    x = 3,126,560.64/1,451.96
  6. Step 6: Final answer
    x = 2,153.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.