Home / 3,019.88-4,167.47-1,693.56

Finding the Fourth Proportional to 3,019.88, 4,167.47 and 1,693.56

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Solution

The fourth proportional to 3,019.88, 4,167.47 and 1,693.56 is: 2,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.88 : 4,167.47 = 1,693.56 : x
  2. Step 2: Convert to fraction form
    3,019.88/4,167.47 = 1,693.56/x
  3. Step 3: Cross multiply
    3,019.88x = 4,167.47 × 1,693.56
  4. Step 4: Simplify right side
    3,019.88x = 7,057,861.55
  5. Step 5: Solve for x
    x = 7,057,861.55/3,019.88
  6. Step 6: Final answer
    x = 2,337.13

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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.