Home / 1,455.35-2,184.12-1,066.37

Finding the Fourth Proportional to 1,455.35, 2,184.12 and 1,066.37

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Solution

The fourth proportional to 1,455.35, 2,184.12 and 1,066.37 is: 1,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.35 : 2,184.12 = 1,066.37 : x
  2. Step 2: Convert to fraction form
    1,455.35/2,184.12 = 1,066.37/x
  3. Step 3: Cross multiply
    1,455.35x = 2,184.12 × 1,066.37
  4. Step 4: Simplify right side
    1,455.35x = 2,329,069.12
  5. Step 5: Solve for x
    x = 2,329,069.12/1,455.35
  6. Step 6: Final answer
    x = 1,600.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.