Home / 1,743.45-2,615.17-444.81

Finding the Fourth Proportional to 1,743.45, 2,615.17 and 444.81

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Solution

The fourth proportional to 1,743.45, 2,615.17 and 444.81 is: 667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.45 : 2,615.17 = 444.81 : x
  2. Step 2: Convert to fraction form
    1,743.45/2,615.17 = 444.81/x
  3. Step 3: Cross multiply
    1,743.45x = 2,615.17 × 444.81
  4. Step 4: Simplify right side
    1,743.45x = 1,163,253.77
  5. Step 5: Solve for x
    x = 1,163,253.77/1,743.45
  6. Step 6: Final answer
    x = 667.21

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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.