Home / 1,538.48-2,304.46-1,277.84

Finding the Fourth Proportional to 1,538.48, 2,304.46 and 1,277.84

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Solution

The fourth proportional to 1,538.48, 2,304.46 and 1,277.84 is: 1,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.48 : 2,304.46 = 1,277.84 : x
  2. Step 2: Convert to fraction form
    1,538.48/2,304.46 = 1,277.84/x
  3. Step 3: Cross multiply
    1,538.48x = 2,304.46 × 1,277.84
  4. Step 4: Simplify right side
    1,538.48x = 2,944,731.17
  5. Step 5: Solve for x
    x = 2,944,731.17/1,538.48
  6. Step 6: Final answer
    x = 1,914.05

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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.