Home / 1,872.11-2,583.44-1,074.89

Finding the Fourth Proportional to 1,872.11, 2,583.44 and 1,074.89

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Solution

The fourth proportional to 1,872.11, 2,583.44 and 1,074.89 is: 1,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.11 : 2,583.44 = 1,074.89 : x
  2. Step 2: Convert to fraction form
    1,872.11/2,583.44 = 1,074.89/x
  3. Step 3: Cross multiply
    1,872.11x = 2,583.44 × 1,074.89
  4. Step 4: Simplify right side
    1,872.11x = 2,776,901.38
  5. Step 5: Solve for x
    x = 2,776,901.38/1,872.11
  6. Step 6: Final answer
    x = 1,483.30

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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.