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Finding the Fourth Proportional to 3,341.88, 5,012.88 and 876.91

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Solution

The fourth proportional to 3,341.88, 5,012.88 and 876.91 is: 1,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.88 : 5,012.88 = 876.91 : x
  2. Step 2: Convert to fraction form
    3,341.88/5,012.88 = 876.91/x
  3. Step 3: Cross multiply
    3,341.88x = 5,012.88 × 876.91
  4. Step 4: Simplify right side
    3,341.88x = 4,395,844.60
  5. Step 5: Solve for x
    x = 4,395,844.60/3,341.88
  6. Step 6: Final answer
    x = 1,315.38

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1.5x scale

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.