Home / 3,528-4,851.36-3,061.44

Finding the Fourth Proportional to 3,528, 4,851.36 and 3,061.44

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Solution

The fourth proportional to 3,528, 4,851.36 and 3,061.44 is: 4,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528 : 4,851.36 = 3,061.44 : x
  2. Step 2: Convert to fraction form
    3,528/4,851.36 = 3,061.44/x
  3. Step 3: Cross multiply
    3,528x = 4,851.36 × 3,061.44
  4. Step 4: Simplify right side
    3,528x = 14,852,147.56
  5. Step 5: Solve for x
    x = 14,852,147.56/3,528
  6. Step 6: Final answer
    x = 4,209.79

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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.