Home / 2,921.00-4,030.74-1,662.06

Finding the Fourth Proportional to 2,921.00, 4,030.74 and 1,662.06

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Solution

The fourth proportional to 2,921.00, 4,030.74 and 1,662.06 is: 2,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.00 : 4,030.74 = 1,662.06 : x
  2. Step 2: Convert to fraction form
    2,921.00/4,030.74 = 1,662.06/x
  3. Step 3: Cross multiply
    2,921.00x = 4,030.74 × 1,662.06
  4. Step 4: Simplify right side
    2,921.00x = 6,699,331.72
  5. Step 5: Solve for x
    x = 6,699,331.72/2,921.00
  6. Step 6: Final answer
    x = 2,293.51

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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.