Home / 1,461.11-2,181.27-1,409.86

Finding the Fourth Proportional to 1,461.11, 2,181.27 and 1,409.86

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Solution

The fourth proportional to 1,461.11, 2,181.27 and 1,409.86 is: 2,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.11 : 2,181.27 = 1,409.86 : x
  2. Step 2: Convert to fraction form
    1,461.11/2,181.27 = 1,409.86/x
  3. Step 3: Cross multiply
    1,461.11x = 2,181.27 × 1,409.86
  4. Step 4: Simplify right side
    1,461.11x = 3,075,279.87
  5. Step 5: Solve for x
    x = 3,075,279.87/1,461.11
  6. Step 6: Final answer
    x = 2,104.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.