Home / 1,405.03-1,924.87-1,352.45

Finding the Fourth Proportional to 1,405.03, 1,924.87 and 1,352.45

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Solution

The fourth proportional to 1,405.03, 1,924.87 and 1,352.45 is: 1,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405.03 : 1,924.87 = 1,352.45 : x
  2. Step 2: Convert to fraction form
    1,405.03/1,924.87 = 1,352.45/x
  3. Step 3: Cross multiply
    1,405.03x = 1,924.87 × 1,352.45
  4. Step 4: Simplify right side
    1,405.03x = 2,603,277.43
  5. Step 5: Solve for x
    x = 2,603,277.43/1,405.03
  6. Step 6: Final answer
    x = 1,852.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.