Home / 3,432.30-5,147.40-1,457.88

Finding the Fourth Proportional to 3,432.30, 5,147.40 and 1,457.88

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Solution

The fourth proportional to 3,432.30, 5,147.40 and 1,457.88 is: 2,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.30 : 5,147.40 = 1,457.88 : x
  2. Step 2: Convert to fraction form
    3,432.30/5,147.40 = 1,457.88/x
  3. Step 3: Cross multiply
    3,432.30x = 5,147.40 × 1,457.88
  4. Step 4: Simplify right side
    3,432.30x = 7,504,291.51
  5. Step 5: Solve for x
    x = 7,504,291.51/3,432.30
  6. Step 6: Final answer
    x = 2,186.37

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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.