Home / 3,143.04-4,711.72-2,029.45

Finding the Fourth Proportional to 3,143.04, 4,711.72 and 2,029.45

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Solution

The fourth proportional to 3,143.04, 4,711.72 and 2,029.45 is: 3,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.04 : 4,711.72 = 2,029.45 : x
  2. Step 2: Convert to fraction form
    3,143.04/4,711.72 = 2,029.45/x
  3. Step 3: Cross multiply
    3,143.04x = 4,711.72 × 2,029.45
  4. Step 4: Simplify right side
    3,143.04x = 9,562,200.15
  5. Step 5: Solve for x
    x = 9,562,200.15/3,143.04
  6. Step 6: Final answer
    x = 3,042.34

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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.