Home / 1,871.85-2,583.23-1,125.76

Finding the Fourth Proportional to 1,871.85, 2,583.23 and 1,125.76

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Solution

The fourth proportional to 1,871.85, 2,583.23 and 1,125.76 is: 1,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.85 : 2,583.23 = 1,125.76 : x
  2. Step 2: Convert to fraction form
    1,871.85/2,583.23 = 1,125.76/x
  3. Step 3: Cross multiply
    1,871.85x = 2,583.23 × 1,125.76
  4. Step 4: Simplify right side
    1,871.85x = 2,908,097.00
  5. Step 5: Solve for x
    x = 2,908,097.00/1,871.85
  6. Step 6: Final answer
    x = 1,553.60

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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.