Home / 2,162.22-2,984.58-1,416.66

Finding the Fourth Proportional to 2,162.22, 2,984.58 and 1,416.66

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Solution

The fourth proportional to 2,162.22, 2,984.58 and 1,416.66 is: 1,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.22 : 2,984.58 = 1,416.66 : x
  2. Step 2: Convert to fraction form
    2,162.22/2,984.58 = 1,416.66/x
  3. Step 3: Cross multiply
    2,162.22x = 2,984.58 × 1,416.66
  4. Step 4: Simplify right side
    2,162.22x = 4,228,135.10
  5. Step 5: Solve for x
    x = 4,228,135.10/2,162.22
  6. Step 6: Final answer
    x = 1,955.46

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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.