Home / 2,484.20-3,428.04-1,365.12

Finding the Fourth Proportional to 2,484.20, 3,428.04 and 1,365.12

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Solution

The fourth proportional to 2,484.20, 3,428.04 and 1,365.12 is: 1,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.20 : 3,428.04 = 1,365.12 : x
  2. Step 2: Convert to fraction form
    2,484.20/3,428.04 = 1,365.12/x
  3. Step 3: Cross multiply
    2,484.20x = 3,428.04 × 1,365.12
  4. Step 4: Simplify right side
    2,484.20x = 4,679,685.96
  5. Step 5: Solve for x
    x = 4,679,685.96/2,484.20
  6. Step 6: Final answer
    x = 1,883.78

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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.