Home / 1,871.09-2,581.99-1,031.83

Finding the Fourth Proportional to 1,871.09, 2,581.99 and 1,031.83

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Solution

The fourth proportional to 1,871.09, 2,581.99 and 1,031.83 is: 1,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.09 : 2,581.99 = 1,031.83 : x
  2. Step 2: Convert to fraction form
    1,871.09/2,581.99 = 1,031.83/x
  3. Step 3: Cross multiply
    1,871.09x = 2,581.99 × 1,031.83
  4. Step 4: Simplify right side
    1,871.09x = 2,664,174.74
  5. Step 5: Solve for x
    x = 2,664,174.74/1,871.09
  6. Step 6: Final answer
    x = 1,423.86

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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.