Home / 2,808.32-4,211.04-1,511.36

Finding the Fourth Proportional to 2,808.32, 4,211.04 and 1,511.36

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Solution

The fourth proportional to 2,808.32, 4,211.04 and 1,511.36 is: 2,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.32 : 4,211.04 = 1,511.36 : x
  2. Step 2: Convert to fraction form
    2,808.32/4,211.04 = 1,511.36/x
  3. Step 3: Cross multiply
    2,808.32x = 4,211.04 × 1,511.36
  4. Step 4: Simplify right side
    2,808.32x = 6,364,397.41
  5. Step 5: Solve for x
    x = 6,364,397.41/2,808.32
  6. Step 6: Final answer
    x = 2,266.27

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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.