Home / 1,741.40-2,607.80-1,220.14

Finding the Fourth Proportional to 1,741.40, 2,607.80 and 1,220.14

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Solution

The fourth proportional to 1,741.40, 2,607.80 and 1,220.14 is: 1,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.40 : 2,607.80 = 1,220.14 : x
  2. Step 2: Convert to fraction form
    1,741.40/2,607.80 = 1,220.14/x
  3. Step 3: Cross multiply
    1,741.40x = 2,607.80 × 1,220.14
  4. Step 4: Simplify right side
    1,741.40x = 3,181,881.09
  5. Step 5: Solve for x
    x = 3,181,881.09/1,741.40
  6. Step 6: Final answer
    x = 1,827.20

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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.