Home / 2,512.16-3,752.36-2,123.36

Finding the Fourth Proportional to 2,512.16, 3,752.36 and 2,123.36

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Solution

The fourth proportional to 2,512.16, 3,752.36 and 2,123.36 is: 3,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.16 : 3,752.36 = 2,123.36 : x
  2. Step 2: Convert to fraction form
    2,512.16/3,752.36 = 2,123.36/x
  3. Step 3: Cross multiply
    2,512.16x = 3,752.36 × 2,123.36
  4. Step 4: Simplify right side
    2,512.16x = 7,967,611.13
  5. Step 5: Solve for x
    x = 7,967,611.13/2,512.16
  6. Step 6: Final answer
    x = 3,171.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.