Home / 2,558.31-3,837.53-1,913.14

Finding the Fourth Proportional to 2,558.31, 3,837.53 and 1,913.14

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Solution

The fourth proportional to 2,558.31, 3,837.53 and 1,913.14 is: 2,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.31 : 3,837.53 = 1,913.14 : x
  2. Step 2: Convert to fraction form
    2,558.31/3,837.53 = 1,913.14/x
  3. Step 3: Cross multiply
    2,558.31x = 3,837.53 × 1,913.14
  4. Step 4: Simplify right side
    2,558.31x = 7,341,732.14
  5. Step 5: Solve for x
    x = 7,341,732.14/2,558.31
  6. Step 6: Final answer
    x = 2,869.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.