Home / 2,173.46-2,999.04-1,427.72

Finding the Fourth Proportional to 2,173.46, 2,999.04 and 1,427.72

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Solution

The fourth proportional to 2,173.46, 2,999.04 and 1,427.72 is: 1,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.46 : 2,999.04 = 1,427.72 : x
  2. Step 2: Convert to fraction form
    2,173.46/2,999.04 = 1,427.72/x
  3. Step 3: Cross multiply
    2,173.46x = 2,999.04 × 1,427.72
  4. Step 4: Simplify right side
    2,173.46x = 4,281,789.39
  5. Step 5: Solve for x
    x = 4,281,789.39/2,173.46
  6. Step 6: Final answer
    x = 1,970.03

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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.