Home / 2,116.70-3,175.05-962.45

Finding the Fourth Proportional to 2,116.70, 3,175.05 and 962.45

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Solution

The fourth proportional to 2,116.70, 3,175.05 and 962.45 is: 1,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.70 : 3,175.05 = 962.45 : x
  2. Step 2: Convert to fraction form
    2,116.70/3,175.05 = 962.45/x
  3. Step 3: Cross multiply
    2,116.70x = 3,175.05 × 962.45
  4. Step 4: Simplify right side
    2,116.70x = 3,055,826.87
  5. Step 5: Solve for x
    x = 3,055,826.87/2,116.70
  6. Step 6: Final answer
    x = 1,443.68

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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.