Home / 2,530.68-3,493.92-1,940.08

Finding the Fourth Proportional to 2,530.68, 3,493.92 and 1,940.08

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Solution

The fourth proportional to 2,530.68, 3,493.92 and 1,940.08 is: 2,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.68 : 3,493.92 = 1,940.08 : x
  2. Step 2: Convert to fraction form
    2,530.68/3,493.92 = 1,940.08/x
  3. Step 3: Cross multiply
    2,530.68x = 3,493.92 × 1,940.08
  4. Step 4: Simplify right side
    2,530.68x = 6,778,484.31
  5. Step 5: Solve for x
    x = 6,778,484.31/2,530.68
  6. Step 6: Final answer
    x = 2,678.52

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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.