Home / 3,703.86-5,557.41-2,880.90

Finding the Fourth Proportional to 3,703.86, 5,557.41 and 2,880.90

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Solution

The fourth proportional to 3,703.86, 5,557.41 and 2,880.90 is: 4,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.86 : 5,557.41 = 2,880.90 : x
  2. Step 2: Convert to fraction form
    3,703.86/5,557.41 = 2,880.90/x
  3. Step 3: Cross multiply
    3,703.86x = 5,557.41 × 2,880.90
  4. Step 4: Simplify right side
    3,703.86x = 16,010,342.47
  5. Step 5: Solve for x
    x = 16,010,342.47/3,703.86
  6. Step 6: Final answer
    x = 4,322.61

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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.