Home / 3,148.01-4,344.30-1,731.75

Finding the Fourth Proportional to 3,148.01, 4,344.30 and 1,731.75

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Solution

The fourth proportional to 3,148.01, 4,344.30 and 1,731.75 is: 2,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.01 : 4,344.30 = 1,731.75 : x
  2. Step 2: Convert to fraction form
    3,148.01/4,344.30 = 1,731.75/x
  3. Step 3: Cross multiply
    3,148.01x = 4,344.30 × 1,731.75
  4. Step 4: Simplify right side
    3,148.01x = 7,523,241.53
  5. Step 5: Solve for x
    x = 7,523,241.53/3,148.01
  6. Step 6: Final answer
    x = 2,389.84

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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.