Home / 3,430.14-5,146.97-1,457.12

Finding the Fourth Proportional to 3,430.14, 5,146.97 and 1,457.12

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Solution

The fourth proportional to 3,430.14, 5,146.97 and 1,457.12 is: 2,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.14 : 5,146.97 = 1,457.12 : x
  2. Step 2: Convert to fraction form
    3,430.14/5,146.97 = 1,457.12/x
  3. Step 3: Cross multiply
    3,430.14x = 5,146.97 × 1,457.12
  4. Step 4: Simplify right side
    3,430.14x = 7,499,719.91
  5. Step 5: Solve for x
    x = 7,499,719.91/3,430.14
  6. Step 6: Final answer
    x = 2,186.42

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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.