Home / 3,017.48-4,163.70-1,691.08

Finding the Fourth Proportional to 3,017.48, 4,163.70 and 1,691.08

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Solution

The fourth proportional to 3,017.48, 4,163.70 and 1,691.08 is: 2,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.48 : 4,163.70 = 1,691.08 : x
  2. Step 2: Convert to fraction form
    3,017.48/4,163.70 = 1,691.08/x
  3. Step 3: Cross multiply
    3,017.48x = 4,163.70 × 1,691.08
  4. Step 4: Simplify right side
    3,017.48x = 7,041,149.80
  5. Step 5: Solve for x
    x = 7,041,149.80/3,017.48
  6. Step 6: Final answer
    x = 2,333.45

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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.