Home / 2,031.56-3,047.13-1,377.63

Finding the Fourth Proportional to 2,031.56, 3,047.13 and 1,377.63

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Solution

The fourth proportional to 2,031.56, 3,047.13 and 1,377.63 is: 2,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.56 : 3,047.13 = 1,377.63 : x
  2. Step 2: Convert to fraction form
    2,031.56/3,047.13 = 1,377.63/x
  3. Step 3: Cross multiply
    2,031.56x = 3,047.13 × 1,377.63
  4. Step 4: Simplify right side
    2,031.56x = 4,197,817.70
  5. Step 5: Solve for x
    x = 4,197,817.70/2,031.56
  6. Step 6: Final answer
    x = 2,066.31

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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.