Home / 3,008.98-4,152.36-1,682.70

Finding the Fourth Proportional to 3,008.98, 4,152.36 and 1,682.70

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Solution

The fourth proportional to 3,008.98, 4,152.36 and 1,682.70 is: 2,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.98 : 4,152.36 = 1,682.70 : x
  2. Step 2: Convert to fraction form
    3,008.98/4,152.36 = 1,682.70/x
  3. Step 3: Cross multiply
    3,008.98x = 4,152.36 × 1,682.70
  4. Step 4: Simplify right side
    3,008.98x = 6,987,176.17
  5. Step 5: Solve for x
    x = 6,987,176.17/3,008.98
  6. Step 6: Final answer
    x = 2,322.11

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1.5x scale

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.