Home / 3,146.42-4,343.34-2,027.40

Finding the Fourth Proportional to 3,146.42, 4,343.34 and 2,027.40

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Solution

The fourth proportional to 3,146.42, 4,343.34 and 2,027.40 is: 2,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.42 : 4,343.34 = 2,027.40 : x
  2. Step 2: Convert to fraction form
    3,146.42/4,343.34 = 2,027.40/x
  3. Step 3: Cross multiply
    3,146.42x = 4,343.34 × 2,027.40
  4. Step 4: Simplify right side
    3,146.42x = 8,805,687.52
  5. Step 5: Solve for x
    x = 8,805,687.52/3,146.42
  6. Step 6: Final answer
    x = 2,798.64

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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.