Home / 3,031.54-4,184.92-2,285.80

Finding the Fourth Proportional to 3,031.54, 4,184.92 and 2,285.80

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Solution

The fourth proportional to 3,031.54, 4,184.92 and 2,285.80 is: 3,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.54 : 4,184.92 = 2,285.80 : x
  2. Step 2: Convert to fraction form
    3,031.54/4,184.92 = 2,285.80/x
  3. Step 3: Cross multiply
    3,031.54x = 4,184.92 × 2,285.80
  4. Step 4: Simplify right side
    3,031.54x = 9,565,890.14
  5. Step 5: Solve for x
    x = 9,565,890.14/3,031.54
  6. Step 6: Final answer
    x = 3,155.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.