Home / 1,484.11-2,057.43-1,405.11

Finding the Fourth Proportional to 1,484.11, 2,057.43 and 1,405.11

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Solution

The fourth proportional to 1,484.11, 2,057.43 and 1,405.11 is: 1,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.11 : 2,057.43 = 1,405.11 : x
  2. Step 2: Convert to fraction form
    1,484.11/2,057.43 = 1,405.11/x
  3. Step 3: Cross multiply
    1,484.11x = 2,057.43 × 1,405.11
  4. Step 4: Simplify right side
    1,484.11x = 2,890,907.14
  5. Step 5: Solve for x
    x = 2,890,907.14/1,484.11
  6. Step 6: Final answer
    x = 1,947.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.