Home / 3,017.18-4,164.10-1,838.22

Finding the Fourth Proportional to 3,017.18, 4,164.10 and 1,838.22

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Solution

The fourth proportional to 3,017.18, 4,164.10 and 1,838.22 is: 2,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.18 : 4,164.10 = 1,838.22 : x
  2. Step 2: Convert to fraction form
    3,017.18/4,164.10 = 1,838.22/x
  3. Step 3: Cross multiply
    3,017.18x = 4,164.10 × 1,838.22
  4. Step 4: Simplify right side
    3,017.18x = 7,654,531.90
  5. Step 5: Solve for x
    x = 7,654,531.90/3,017.18
  6. Step 6: Final answer
    x = 2,536.98

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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.