Home / 2,484.63-3,428.90-1,489.73

Finding the Fourth Proportional to 2,484.63, 3,428.90 and 1,489.73

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Solution

The fourth proportional to 2,484.63, 3,428.90 and 1,489.73 is: 2,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.63 : 3,428.90 = 1,489.73 : x
  2. Step 2: Convert to fraction form
    2,484.63/3,428.90 = 1,489.73/x
  3. Step 3: Cross multiply
    2,484.63x = 3,428.90 × 1,489.73
  4. Step 4: Simplify right side
    2,484.63x = 5,108,110.60
  5. Step 5: Solve for x
    x = 5,108,110.60/2,484.63
  6. Step 6: Final answer
    x = 2,055.88

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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.