Home / 1,615.88-2,233.47-1,176.86

Finding the Fourth Proportional to 1,615.88, 2,233.47 and 1,176.86

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Solution

The fourth proportional to 1,615.88, 2,233.47 and 1,176.86 is: 1,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.88 : 2,233.47 = 1,176.86 : x
  2. Step 2: Convert to fraction form
    1,615.88/2,233.47 = 1,176.86/x
  3. Step 3: Cross multiply
    1,615.88x = 2,233.47 × 1,176.86
  4. Step 4: Simplify right side
    1,615.88x = 2,628,491.50
  5. Step 5: Solve for x
    x = 2,628,491.50/1,615.88
  6. Step 6: Final answer
    x = 1,626.66

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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.