Home / 2,031.56-2,800.68-1,441.88

Finding the Fourth Proportional to 2,031.56, 2,800.68 and 1,441.88

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Solution

The fourth proportional to 2,031.56, 2,800.68 and 1,441.88 is: 1,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.56 : 2,800.68 = 1,441.88 : x
  2. Step 2: Convert to fraction form
    2,031.56/2,800.68 = 1,441.88/x
  3. Step 3: Cross multiply
    2,031.56x = 2,800.68 × 1,441.88
  4. Step 4: Simplify right side
    2,031.56x = 4,038,244.48
  5. Step 5: Solve for x
    x = 4,038,244.48/2,031.56
  6. Step 6: Final answer
    x = 1,987.76

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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.