Home / 2,808.33-4,215.08-1,422.63

Finding the Fourth Proportional to 2,808.33, 4,215.08 and 1,422.63

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Solution

The fourth proportional to 2,808.33, 4,215.08 and 1,422.63 is: 2,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.33 : 4,215.08 = 1,422.63 : x
  2. Step 2: Convert to fraction form
    2,808.33/4,215.08 = 1,422.63/x
  3. Step 3: Cross multiply
    2,808.33x = 4,215.08 × 1,422.63
  4. Step 4: Simplify right side
    2,808.33x = 5,996,482.96
  5. Step 5: Solve for x
    x = 5,996,482.96/2,808.33
  6. Step 6: Final answer
    x = 2,135.25

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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.