Home / 2,921.00-4,031.06-1,661.99

Finding the Fourth Proportional to 2,921.00, 4,031.06 and 1,661.99

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Solution

The fourth proportional to 2,921.00, 4,031.06 and 1,661.99 is: 2,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.00 : 4,031.06 = 1,661.99 : x
  2. Step 2: Convert to fraction form
    2,921.00/4,031.06 = 1,661.99/x
  3. Step 3: Cross multiply
    2,921.00x = 4,031.06 × 1,661.99
  4. Step 4: Simplify right side
    2,921.00x = 6,699,552.94
  5. Step 5: Solve for x
    x = 6,699,552.94/2,921.00
  6. Step 6: Final answer
    x = 2,293.59

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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.