Home / 3,323.46-4,987.35-1,681.86

Finding the Fourth Proportional to 3,323.46, 4,987.35 and 1,681.86

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Solution

The fourth proportional to 3,323.46, 4,987.35 and 1,681.86 is: 2,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.46 : 4,987.35 = 1,681.86 : x
  2. Step 2: Convert to fraction form
    3,323.46/4,987.35 = 1,681.86/x
  3. Step 3: Cross multiply
    3,323.46x = 4,987.35 × 1,681.86
  4. Step 4: Simplify right side
    3,323.46x = 8,388,024.47
  5. Step 5: Solve for x
    x = 8,388,024.47/3,323.46
  6. Step 6: Final answer
    x = 2,523.88

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1.5x scale

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.