Home / 1,839.48-2,536.74-1,419.18

Finding the Fourth Proportional to 1,839.48, 2,536.74 and 1,419.18

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Solution

The fourth proportional to 1,839.48, 2,536.74 and 1,419.18 is: 1,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.48 : 2,536.74 = 1,419.18 : x
  2. Step 2: Convert to fraction form
    1,839.48/2,536.74 = 1,419.18/x
  3. Step 3: Cross multiply
    1,839.48x = 2,536.74 × 1,419.18
  4. Step 4: Simplify right side
    1,839.48x = 3,600,090.67
  5. Step 5: Solve for x
    x = 3,600,090.67/1,839.48
  6. Step 6: Final answer
    x = 1,957.12

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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.