Home / 1,853.11-2,557.94-1,145.50

Finding the Fourth Proportional to 1,853.11, 2,557.94 and 1,145.50

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Solution

The fourth proportional to 1,853.11, 2,557.94 and 1,145.50 is: 1,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.11 : 2,557.94 = 1,145.50 : x
  2. Step 2: Convert to fraction form
    1,853.11/2,557.94 = 1,145.50/x
  3. Step 3: Cross multiply
    1,853.11x = 2,557.94 × 1,145.50
  4. Step 4: Simplify right side
    1,853.11x = 2,930,118.17
  5. Step 5: Solve for x
    x = 2,930,118.17/1,853.11
  6. Step 6: Final answer
    x = 1,581.19

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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.