Home / 2,558.42-3,530.79-1,927.83

Finding the Fourth Proportional to 2,558.42, 3,530.79 and 1,927.83

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Solution

The fourth proportional to 2,558.42, 3,530.79 and 1,927.83 is: 2,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.42 : 3,530.79 = 1,927.83 : x
  2. Step 2: Convert to fraction form
    2,558.42/3,530.79 = 1,927.83/x
  3. Step 3: Cross multiply
    2,558.42x = 3,530.79 × 1,927.83
  4. Step 4: Simplify right side
    2,558.42x = 6,806,776.13
  5. Step 5: Solve for x
    x = 6,806,776.13/2,558.42
  6. Step 6: Final answer
    x = 2,660.54

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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.