Home / 2,545.23-3,513.68-1,942.79

Finding the Fourth Proportional to 2,545.23, 3,513.68 and 1,942.79

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Solution

The fourth proportional to 2,545.23, 3,513.68 and 1,942.79 is: 2,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.23 : 3,513.68 = 1,942.79 : x
  2. Step 2: Convert to fraction form
    2,545.23/3,513.68 = 1,942.79/x
  3. Step 3: Cross multiply
    2,545.23x = 3,513.68 × 1,942.79
  4. Step 4: Simplify right side
    2,545.23x = 6,826,315.08
  5. Step 5: Solve for x
    x = 6,826,315.08/2,545.23
  6. Step 6: Final answer
    x = 2,682.00

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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.