Home / 3,166.12-4,746.30-1,520.92

Finding the Fourth Proportional to 3,166.12, 4,746.30 and 1,520.92

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Solution

The fourth proportional to 3,166.12, 4,746.30 and 1,520.92 is: 2,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.12 : 4,746.30 = 1,520.92 : x
  2. Step 2: Convert to fraction form
    3,166.12/4,746.30 = 1,520.92/x
  3. Step 3: Cross multiply
    3,166.12x = 4,746.30 × 1,520.92
  4. Step 4: Simplify right side
    3,166.12x = 7,218,742.60
  5. Step 5: Solve for x
    x = 7,218,742.60/3,166.12
  6. Step 6: Final answer
    x = 2,280.00

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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.