Home / 2,029.62-2,801.38-1,440.34

Finding the Fourth Proportional to 2,029.62, 2,801.38 and 1,440.34

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Solution

The fourth proportional to 2,029.62, 2,801.38 and 1,440.34 is: 1,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.62 : 2,801.38 = 1,440.34 : x
  2. Step 2: Convert to fraction form
    2,029.62/2,801.38 = 1,440.34/x
  3. Step 3: Cross multiply
    2,029.62x = 2,801.38 × 1,440.34
  4. Step 4: Simplify right side
    2,029.62x = 4,034,939.67
  5. Step 5: Solve for x
    x = 4,034,939.67/2,029.62
  6. Step 6: Final answer
    x = 1,988.03

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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.