Home / 3,118.34-4,684.28-1,886.32

Finding the Fourth Proportional to 3,118.34, 4,684.28 and 1,886.32

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Solution

The fourth proportional to 3,118.34, 4,684.28 and 1,886.32 is: 2,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.34 : 4,684.28 = 1,886.32 : x
  2. Step 2: Convert to fraction form
    3,118.34/4,684.28 = 1,886.32/x
  3. Step 3: Cross multiply
    3,118.34x = 4,684.28 × 1,886.32
  4. Step 4: Simplify right side
    3,118.34x = 8,836,051.05
  5. Step 5: Solve for x
    x = 8,836,051.05/3,118.34
  6. Step 6: Final answer
    x = 2,833.58

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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.