Home / 1,781.22-2,459.24-1,594.40

Finding the Fourth Proportional to 1,781.22, 2,459.24 and 1,594.40

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Solution

The fourth proportional to 1,781.22, 2,459.24 and 1,594.40 is: 2,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.22 : 2,459.24 = 1,594.40 : x
  2. Step 2: Convert to fraction form
    1,781.22/2,459.24 = 1,594.40/x
  3. Step 3: Cross multiply
    1,781.22x = 2,459.24 × 1,594.40
  4. Step 4: Simplify right side
    1,781.22x = 3,920,991.99
  5. Step 5: Solve for x
    x = 3,920,991.99/1,781.22
  6. Step 6: Final answer
    x = 2,201.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.