Home / 4,101.40-6,152.10-2,021.80

Finding the Fourth Proportional to 4,101.40, 6,152.10 and 2,021.80

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Solution

The fourth proportional to 4,101.40, 6,152.10 and 2,021.80 is: 3,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.40 : 6,152.10 = 2,021.80 : x
  2. Step 2: Convert to fraction form
    4,101.40/6,152.10 = 2,021.80/x
  3. Step 3: Cross multiply
    4,101.40x = 6,152.10 × 2,021.80
  4. Step 4: Simplify right side
    4,101.40x = 12,438,315.78
  5. Step 5: Solve for x
    x = 12,438,315.78/4,101.40
  6. Step 6: Final answer
    x = 3,032.70

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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.