Home / 1,871.95-2,583.39-1,125.94

Finding the Fourth Proportional to 1,871.95, 2,583.39 and 1,125.94

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Solution

The fourth proportional to 1,871.95, 2,583.39 and 1,125.94 is: 1,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.95 : 2,583.39 = 1,125.94 : x
  2. Step 2: Convert to fraction form
    1,871.95/2,583.39 = 1,125.94/x
  3. Step 3: Cross multiply
    1,871.95x = 2,583.39 × 1,125.94
  4. Step 4: Simplify right side
    1,871.95x = 2,908,742.14
  5. Step 5: Solve for x
    x = 2,908,742.14/1,871.95
  6. Step 6: Final answer
    x = 1,553.86

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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.