Home / 2,031.04-3,057.64-1,385.92

Finding the Fourth Proportional to 2,031.04, 3,057.64 and 1,385.92

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Solution

The fourth proportional to 2,031.04, 3,057.64 and 1,385.92 is: 2,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.04 : 3,057.64 = 1,385.92 : x
  2. Step 2: Convert to fraction form
    2,031.04/3,057.64 = 1,385.92/x
  3. Step 3: Cross multiply
    2,031.04x = 3,057.64 × 1,385.92
  4. Step 4: Simplify right side
    2,031.04x = 4,237,644.43
  5. Step 5: Solve for x
    x = 4,237,644.43/2,031.04
  6. Step 6: Final answer
    x = 2,086.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.