Home / 2,031.04-3,044-1,380.16

Finding the Fourth Proportional to 2,031.04, 3,044 and 1,380.16

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Solution

The fourth proportional to 2,031.04, 3,044 and 1,380.16 is: 2,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.04 : 3,044 = 1,380.16 : x
  2. Step 2: Convert to fraction form
    2,031.04/3,044 = 1,380.16/x
  3. Step 3: Cross multiply
    2,031.04x = 3,044 × 1,380.16
  4. Step 4: Simplify right side
    2,031.04x = 4,201,207.04
  5. Step 5: Solve for x
    x = 4,201,207.04/2,031.04
  6. Step 6: Final answer
    x = 2,068.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.