Home / 1,743.42-2,615.28-444.89

Finding the Fourth Proportional to 1,743.42, 2,615.28 and 444.89

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Solution

The fourth proportional to 1,743.42, 2,615.28 and 444.89 is: 667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.42 : 2,615.28 = 444.89 : x
  2. Step 2: Convert to fraction form
    1,743.42/2,615.28 = 444.89/x
  3. Step 3: Cross multiply
    1,743.42x = 2,615.28 × 444.89
  4. Step 4: Simplify right side
    1,743.42x = 1,163,498.84
  5. Step 5: Solve for x
    x = 1,163,498.84/1,743.42
  6. Step 6: Final answer
    x = 667.37

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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.