Home / 3,071.60-4,239.40-2,023.60

Finding the Fourth Proportional to 3,071.60, 4,239.40 and 2,023.60

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Solution

The fourth proportional to 3,071.60, 4,239.40 and 2,023.60 is: 2,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.60 : 4,239.40 = 2,023.60 : x
  2. Step 2: Convert to fraction form
    3,071.60/4,239.40 = 2,023.60/x
  3. Step 3: Cross multiply
    3,071.60x = 4,239.40 × 2,023.60
  4. Step 4: Simplify right side
    3,071.60x = 8,578,849.84
  5. Step 5: Solve for x
    x = 8,578,849.84/3,071.60
  6. Step 6: Final answer
    x = 2,792.96

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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.