Home / 2,855.22-4,283.01-1,125.06

Finding the Fourth Proportional to 2,855.22, 4,283.01 and 1,125.06

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Solution

The fourth proportional to 2,855.22, 4,283.01 and 1,125.06 is: 1,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.22 : 4,283.01 = 1,125.06 : x
  2. Step 2: Convert to fraction form
    2,855.22/4,283.01 = 1,125.06/x
  3. Step 3: Cross multiply
    2,855.22x = 4,283.01 × 1,125.06
  4. Step 4: Simplify right side
    2,855.22x = 4,818,643.23
  5. Step 5: Solve for x
    x = 4,818,643.23/2,855.22
  6. Step 6: Final answer
    x = 1,687.66

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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.