Home / 2,092.04-3,138.20-631.24

Finding the Fourth Proportional to 2,092.04, 3,138.20 and 631.24

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Solution

The fourth proportional to 2,092.04, 3,138.20 and 631.24 is: 946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.04 : 3,138.20 = 631.24 : x
  2. Step 2: Convert to fraction form
    2,092.04/3,138.20 = 631.24/x
  3. Step 3: Cross multiply
    2,092.04x = 3,138.20 × 631.24
  4. Step 4: Simplify right side
    2,092.04x = 1,980,957.37
  5. Step 5: Solve for x
    x = 1,980,957.37/2,092.04
  6. Step 6: Final answer
    x = 946.90

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1.5x scale

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.