Home / 3,528-4,868.20-1,955.88

Finding the Fourth Proportional to 3,528, 4,868.20 and 1,955.88

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Solution

The fourth proportional to 3,528, 4,868.20 and 1,955.88 is: 2,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528 : 4,868.20 = 1,955.88 : x
  2. Step 2: Convert to fraction form
    3,528/4,868.20 = 1,955.88/x
  3. Step 3: Cross multiply
    3,528x = 4,868.20 × 1,955.88
  4. Step 4: Simplify right side
    3,528x = 9,521,615.02
  5. Step 5: Solve for x
    x = 9,521,615.02/3,528
  6. Step 6: Final answer
    x = 2,698.87

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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.