Home / 1,512.32-2,089.70-1,450.80

Finding the Fourth Proportional to 1,512.32, 2,089.70 and 1,450.80

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Solution

The fourth proportional to 1,512.32, 2,089.70 and 1,450.80 is: 2,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.32 : 2,089.70 = 1,450.80 : x
  2. Step 2: Convert to fraction form
    1,512.32/2,089.70 = 1,450.80/x
  3. Step 3: Cross multiply
    1,512.32x = 2,089.70 × 1,450.80
  4. Step 4: Simplify right side
    1,512.32x = 3,031,729.51
  5. Step 5: Solve for x
    x = 3,031,729.51/1,512.32
  6. Step 6: Final answer
    x = 2,004.69

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1.5x scale

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.