Home / 3,008.89-4,152.36-1,682.65

Finding the Fourth Proportional to 3,008.89, 4,152.36 and 1,682.65

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Solution

The fourth proportional to 3,008.89, 4,152.36 and 1,682.65 is: 2,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.89 : 4,152.36 = 1,682.65 : x
  2. Step 2: Convert to fraction form
    3,008.89/4,152.36 = 1,682.65/x
  3. Step 3: Cross multiply
    3,008.89x = 4,152.36 × 1,682.65
  4. Step 4: Simplify right side
    3,008.89x = 6,986,968.55
  5. Step 5: Solve for x
    x = 6,986,968.55/3,008.89
  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.