Home / 2,342.10-3,227.10-1,921.02

Finding the Fourth Proportional to 2,342.10, 3,227.10 and 1,921.02

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Solution

The fourth proportional to 2,342.10, 3,227.10 and 1,921.02 is: 2,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.10 : 3,227.10 = 1,921.02 : x
  2. Step 2: Convert to fraction form
    2,342.10/3,227.10 = 1,921.02/x
  3. Step 3: Cross multiply
    2,342.10x = 3,227.10 × 1,921.02
  4. Step 4: Simplify right side
    2,342.10x = 6,199,323.64
  5. Step 5: Solve for x
    x = 6,199,323.64/2,342.10
  6. Step 6: Final answer
    x = 2,646.91

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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.