Home / 3,457.14-4,768.65-2,828.58

Finding the Fourth Proportional to 3,457.14, 4,768.65 and 2,828.58

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Solution

The fourth proportional to 3,457.14, 4,768.65 and 2,828.58 is: 3,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.14 : 4,768.65 = 2,828.58 : x
  2. Step 2: Convert to fraction form
    3,457.14/4,768.65 = 2,828.58/x
  3. Step 3: Cross multiply
    3,457.14x = 4,768.65 × 2,828.58
  4. Step 4: Simplify right side
    3,457.14x = 13,488,508.02
  5. Step 5: Solve for x
    x = 13,488,508.02/3,457.14
  6. Step 6: Final answer
    x = 3,901.64

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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.