Home / 1,645.17-2,465.37-1,027.05

Finding the Fourth Proportional to 1,645.17, 2,465.37 and 1,027.05

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Solution

The fourth proportional to 1,645.17, 2,465.37 and 1,027.05 is: 1,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.17 : 2,465.37 = 1,027.05 : x
  2. Step 2: Convert to fraction form
    1,645.17/2,465.37 = 1,027.05/x
  3. Step 3: Cross multiply
    1,645.17x = 2,465.37 × 1,027.05
  4. Step 4: Simplify right side
    1,645.17x = 2,532,058.26
  5. Step 5: Solve for x
    x = 2,532,058.26/1,645.17
  6. Step 6: Final answer
    x = 1,539.09

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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.