Home / 2,561.86-3,551.66-2,471.77

Finding the Fourth Proportional to 2,561.86, 3,551.66 and 2,471.77

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Solution

The fourth proportional to 2,561.86, 3,551.66 and 2,471.77 is: 3,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.86 : 3,551.66 = 2,471.77 : x
  2. Step 2: Convert to fraction form
    2,561.86/3,551.66 = 2,471.77/x
  3. Step 3: Cross multiply
    2,561.86x = 3,551.66 × 2,471.77
  4. Step 4: Simplify right side
    2,561.86x = 8,778,886.64
  5. Step 5: Solve for x
    x = 8,778,886.64/2,561.86
  6. Step 6: Final answer
    x = 3,426.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.