Home / 4,129.11-5,698.00-2,240.64

Finding the Fourth Proportional to 4,129.11, 5,698.00 and 2,240.64

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Solution

The fourth proportional to 4,129.11, 5,698.00 and 2,240.64 is: 3,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.11 : 5,698.00 = 2,240.64 : x
  2. Step 2: Convert to fraction form
    4,129.11/5,698.00 = 2,240.64/x
  3. Step 3: Cross multiply
    4,129.11x = 5,698.00 × 2,240.64
  4. Step 4: Simplify right side
    4,129.11x = 12,767,159.80
  5. Step 5: Solve for x
    x = 12,767,159.80/4,129.11
  6. Step 6: Final answer
    x = 3,091.99

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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.