Home / 3,166.10-4,749.15-1,521.80

Finding the Fourth Proportional to 3,166.10, 4,749.15 and 1,521.80

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Solution

The fourth proportional to 3,166.10, 4,749.15 and 1,521.80 is: 2,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.10 : 4,749.15 = 1,521.80 : x
  2. Step 2: Convert to fraction form
    3,166.10/4,749.15 = 1,521.80/x
  3. Step 3: Cross multiply
    3,166.10x = 4,749.15 × 1,521.80
  4. Step 4: Simplify right side
    3,166.10x = 7,227,256.47
  5. Step 5: Solve for x
    x = 7,227,256.47/3,166.10
  6. Step 6: Final answer
    x = 2,282.70

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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.