Home / 4,188.96-5,780.58-2,511.36

Finding the Fourth Proportional to 4,188.96, 5,780.58 and 2,511.36

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Solution

The fourth proportional to 4,188.96, 5,780.58 and 2,511.36 is: 3,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.96 : 5,780.58 = 2,511.36 : x
  2. Step 2: Convert to fraction form
    4,188.96/5,780.58 = 2,511.36/x
  3. Step 3: Cross multiply
    4,188.96x = 5,780.58 × 2,511.36
  4. Step 4: Simplify right side
    4,188.96x = 14,517,117.39
  5. Step 5: Solve for x
    x = 14,517,117.39/4,188.96
  6. Step 6: Final answer
    x = 3,465.57

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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.