Home / 1,781.01-2,669.48-1,114.22

Finding the Fourth Proportional to 1,781.01, 2,669.48 and 1,114.22

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Solution

The fourth proportional to 1,781.01, 2,669.48 and 1,114.22 is: 1,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.01 : 2,669.48 = 1,114.22 : x
  2. Step 2: Convert to fraction form
    1,781.01/2,669.48 = 1,114.22/x
  3. Step 3: Cross multiply
    1,781.01x = 2,669.48 × 1,114.22
  4. Step 4: Simplify right side
    1,781.01x = 2,974,388.01
  5. Step 5: Solve for x
    x = 2,974,388.01/1,781.01
  6. Step 6: Final answer
    x = 1,670.06

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1.5x scale

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.