Home / 3,114.79-4,672.08-1,265.36

Finding the Fourth Proportional to 3,114.79, 4,672.08 and 1,265.36

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Solution

The fourth proportional to 3,114.79, 4,672.08 and 1,265.36 is: 1,897.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.79 : 4,672.08 = 1,265.36 : x
  2. Step 2: Convert to fraction form
    3,114.79/4,672.08 = 1,265.36/x
  3. Step 3: Cross multiply
    3,114.79x = 4,672.08 × 1,265.36
  4. Step 4: Simplify right side
    3,114.79x = 5,911,839.79
  5. Step 5: Solve for x
    x = 5,911,839.79/3,114.79
  6. Step 6: Final answer
    x = 1,897.99

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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.